15311520

素因数分解:

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

素因数の和:73

約数の個数: 288

約数和(自身を含む): 62899200

約数和(自身を除く): 47587680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 98, 105, 112, 120, 124, 126, 140, 144, 147, 155, 160, 168, 180, 186, 196, 210, 217, 224, 240, 245, 248, 252, 279, 280, 288, 294, 310, 315, 336, 343, 360, 372, 392, 420, 434, 441, 465, 480, 490, 496, 504, 558, 560, 588, 620, 630, 651, 672, 686, 720, 735, 744, 784, 840, 868, 882, 930, 980, 992, 1008, 1029, 1085, 1116, 1120, 1176, 1240, 1260, 1302, 1372, 1395, 1440, 1470, 1488, 1519, 1568, 1680, 1715, 1736, 1764, 1860, 1953, 1960, 2016, 2058, 2170, 2205, 2232, 2352, 2480, 2520, 2604, 2744, 2790, 2940, 2976, 3038, 3087, 3255, 3360, 3430, 3472, 3528, 3720, 3906, 3920, 4116, 4340, 4410, 4464, 4557, 4704, 4960, 5040, 5145, 5208, 5488, 5580, 5880, 6076, 6174, 6510, 6860, 6944, 7056, 7440, 7595, 7812, 7840, 8232, 8680, 8820, 8928, 9114, 9765, 10080, 10290, 10416, 10633, 10976, 11160, 11760, 12152, 12348, 13020, 13671, 13720, 14112, 14880, 15190, 15435, 15624, 16464, 17360, 17640, 18228, 19530, 20580, 20832, 21266, 22320, 22785, 23520, 24304, 24696, 26040, 27342, 27440, 30380, 30870, 31248, 31899, 32928, 34720, 35280, 36456, 39060, 41160, 42532, 44640, 45570, 48608, 49392, 52080, 53165, 54684, 54880, 60760, 61740, 62496, 63798, 68355, 70560, 72912, 78120, 82320, 85064, 91140, 95697, 98784, 104160, 106330, 109368, 121520, 123480, 127596, 136710, 145824, 156240, 159495, 164640, 170128, 182280, 191394, 212660, 218736, 243040, 246960, 255192, 273420, 312480, 318990, 340256, 364560, 382788, 425320, 437472, 478485, 493920, 510384, 546840, 637980, 729120, 765576, 850640, 956970, 1020768, 1093680, 1275960, 1531152, 1701280, 1913940, 2187360, 2551920, 3062304, 3827880, 5103840, 7655760, 15311520]

約数ペア:

[(1, 15311520), (2, 7655760), (3, 5103840), (4, 3827880), (5, 3062304), (6, 2551920), (7, 2187360), (8, 1913940), (9, 1701280), (10, 1531152), (12, 1275960), (14, 1093680), (15, 1020768), (16, 956970), (18, 850640), (20, 765576), (21, 729120), (24, 637980), (28, 546840), (30, 510384), (31, 493920), (32, 478485), (35, 437472), (36, 425320), (40, 382788), (42, 364560), (45, 340256), (48, 318990), (49, 312480), (56, 273420), (60, 255192), (62, 246960), (63, 243040), (70, 218736), (72, 212660), (80, 191394), (84, 182280), (90, 170128), (93, 164640), (96, 159495), (98, 156240), (105, 145824), (112, 136710), (120, 127596), (124, 123480), (126, 121520), (140, 109368), (144, 106330), (147, 104160), (155, 98784), (160, 95697), (168, 91140), (180, 85064), (186, 82320), (196, 78120), (210, 72912), (217, 70560), (224, 68355), (240, 63798), (245, 62496), (248, 61740), (252, 60760), (279, 54880), (280, 54684), (288, 53165), (294, 52080), (310, 49392), (315, 48608), (336, 45570), (343, 44640), (360, 42532), (372, 41160), (392, 39060), (420, 36456), (434, 35280), (441, 34720), (465, 32928), (480, 31899), (490, 31248), (496, 30870), (504, 30380), (558, 27440), (560, 27342), (588, 26040), (620, 24696), (630, 24304), (651, 23520), (672, 22785), (686, 22320), (720, 21266), (735, 20832), (744, 20580), (784, 19530), (840, 18228), (868, 17640), (882, 17360), (930, 16464), (980, 15624), (992, 15435), (1008, 15190), (1029, 14880), (1085, 14112), (1116, 13720), (1120, 13671), (1176, 13020), (1240, 12348), (1260, 12152), (1302, 11760), (1372, 11160), (1395, 10976), (1440, 10633), (1470, 10416), (1488, 10290), (1519, 10080), (1568, 9765), (1680, 9114), (1715, 8928), (1736, 8820), (1764, 8680), (1860, 8232), (1953, 7840), (1960, 7812), (2016, 7595), (2058, 7440), (2170, 7056), (2205, 6944), (2232, 6860), (2352, 6510), (2480, 6174), (2520, 6076), (2604, 5880), (2744, 5580), (2790, 5488), (2940, 5208), (2976, 5145), (3038, 5040), (3087, 4960), (3255, 4704), (3360, 4557), (3430, 4464), (3472, 4410), (3528, 4340), (3720, 4116), (3906, 3920)]