31169880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 384

約数和(自身を含む): 131328000

約数和(自身を除く): 100158120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 31, 35, 36, 38, 40, 42, 45, 49, 54, 56, 57, 60, 62, 63, 70, 72, 76, 84, 90, 93, 95, 98, 105, 108, 114, 120, 124, 126, 133, 135, 140, 147, 152, 155, 168, 171, 180, 186, 189, 190, 196, 210, 216, 217, 228, 245, 248, 252, 266, 270, 279, 280, 285, 294, 310, 315, 342, 360, 372, 378, 380, 392, 399, 420, 434, 441, 456, 465, 490, 504, 513, 532, 540, 558, 570, 588, 589, 620, 630, 651, 665, 684, 735, 744, 756, 760, 798, 837, 840, 855, 868, 882, 930, 931, 945, 980, 1026, 1064, 1080, 1085, 1116, 1140, 1176, 1178, 1197, 1240, 1260, 1302, 1323, 1330, 1368, 1395, 1470, 1512, 1519, 1596, 1674, 1710, 1736, 1764, 1767, 1860, 1862, 1890, 1953, 1960, 1995, 2052, 2170, 2205, 2232, 2280, 2356, 2394, 2520, 2565, 2604, 2646, 2660, 2790, 2793, 2940, 2945, 3038, 3192, 3255, 3348, 3420, 3528, 3534, 3591, 3720, 3724, 3780, 3906, 3990, 4104, 4123, 4185, 4340, 4410, 4557, 4655, 4712, 4788, 5130, 5208, 5292, 5301, 5320, 5580, 5586, 5859, 5880, 5890, 5985, 6076, 6510, 6615, 6696, 6840, 7068, 7182, 7448, 7560, 7595, 7812, 7980, 8246, 8370, 8379, 8680, 8820, 8835, 9114, 9310, 9576, 9765, 10260, 10584, 10602, 11160, 11172, 11718, 11780, 11970, 12152, 12369, 13020, 13230, 13671, 13965, 14136, 14364, 15190, 15624, 15903, 15960, 16492, 16740, 16758, 17640, 17670, 17955, 18228, 18620, 19530, 20520, 20615, 21204, 22344, 22785, 23436, 23560, 23940, 24738, 25137, 26040, 26460, 26505, 27342, 27930, 28728, 28861, 29295, 30380, 31806, 32984, 33480, 33516, 35340, 35910, 36456, 37107, 37240, 39060, 41013, 41230, 41895, 42408, 45570, 46872, 47880, 49476, 50274, 52920, 53010, 54684, 55860, 57722, 58590, 60760, 61845, 63612, 67032, 68355, 70680, 71820, 74214, 78120, 79515, 82026, 82460, 83790, 86583, 91140, 98952, 100548, 106020, 109368, 111321, 111720, 115444, 117180, 123690, 125685, 127224, 136710, 143640, 144305, 148428, 159030, 164052, 164920, 167580, 173166, 182280, 185535, 201096, 205065, 212040, 222642, 230888, 234360, 247380, 251370, 259749, 273420, 288610, 296856, 318060, 328104, 335160, 346332, 371070, 410130, 432915, 445284, 494760, 502740, 519498, 546840, 556605, 577220, 636120, 692664, 742140, 779247, 820260, 865830, 890568, 1005480, 1038996, 1113210, 1154440, 1298745, 1484280, 1558494, 1640520, 1731660, 2077992, 2226420, 2597490, 3116988, 3463320, 3896235, 4452840, 5194980, 6233976, 7792470, 10389960, 15584940, 31169880]

約数ペア:

[(1, 31169880), (2, 15584940), (3, 10389960), (4, 7792470), (5, 6233976), (6, 5194980), (7, 4452840), (8, 3896235), (9, 3463320), (10, 3116988), (12, 2597490), (14, 2226420), (15, 2077992), (18, 1731660), (19, 1640520), (20, 1558494), (21, 1484280), (24, 1298745), (27, 1154440), (28, 1113210), (30, 1038996), (31, 1005480), (35, 890568), (36, 865830), (38, 820260), (40, 779247), (42, 742140), (45, 692664), (49, 636120), (54, 577220), (56, 556605), (57, 546840), (60, 519498), (62, 502740), (63, 494760), (70, 445284), (72, 432915), (76, 410130), (84, 371070), (90, 346332), (93, 335160), (95, 328104), (98, 318060), (105, 296856), (108, 288610), (114, 273420), (120, 259749), (124, 251370), (126, 247380), (133, 234360), (135, 230888), (140, 222642), (147, 212040), (152, 205065), (155, 201096), (168, 185535), (171, 182280), (180, 173166), (186, 167580), (189, 164920), (190, 164052), (196, 159030), (210, 148428), (216, 144305), (217, 143640), (228, 136710), (245, 127224), (248, 125685), (252, 123690), (266, 117180), (270, 115444), (279, 111720), (280, 111321), (285, 109368), (294, 106020), (310, 100548), (315, 98952), (342, 91140), (360, 86583), (372, 83790), (378, 82460), (380, 82026), (392, 79515), (399, 78120), (420, 74214), (434, 71820), (441, 70680), (456, 68355), (465, 67032), (490, 63612), (504, 61845), (513, 60760), (532, 58590), (540, 57722), (558, 55860), (570, 54684), (588, 53010), (589, 52920), (620, 50274), (630, 49476), (651, 47880), (665, 46872), (684, 45570), (735, 42408), (744, 41895), (756, 41230), (760, 41013), (798, 39060), (837, 37240), (840, 37107), (855, 36456), (868, 35910), (882, 35340), (930, 33516), (931, 33480), (945, 32984), (980, 31806), (1026, 30380), (1064, 29295), (1080, 28861), (1085, 28728), (1116, 27930), (1140, 27342), (1176, 26505), (1178, 26460), (1197, 26040), (1240, 25137), (1260, 24738), (1302, 23940), (1323, 23560), (1330, 23436), (1368, 22785), (1395, 22344), (1470, 21204), (1512, 20615), (1519, 20520), (1596, 19530), (1674, 18620), (1710, 18228), (1736, 17955), (1764, 17670), (1767, 17640), (1860, 16758), (1862, 16740), (1890, 16492), (1953, 15960), (1960, 15903), (1995, 15624), (2052, 15190), (2170, 14364), (2205, 14136), (2232, 13965), (2280, 13671), (2356, 13230), (2394, 13020), (2520, 12369), (2565, 12152), (2604, 11970), (2646, 11780), (2660, 11718), (2790, 11172), (2793, 11160), (2940, 10602), (2945, 10584), (3038, 10260), (3192, 9765), (3255, 9576), (3348, 9310), (3420, 9114), (3528, 8835), (3534, 8820), (3591, 8680), (3720, 8379), (3724, 8370), (3780, 8246), (3906, 7980), (3990, 7812), (4104, 7595), (4123, 7560), (4185, 7448), (4340, 7182), (4410, 7068), (4557, 6840), (4655, 6696), (4712, 6615), (4788, 6510), (5130, 6076), (5208, 5985), (5292, 5890), (5301, 5880), (5320, 5859), (5580, 5586)]