4021920

素因数分解:

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

素因数の和:57

約数の個数: 288

約数和(自身を含む): 17236800

約数和(自身を除く): 13214880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 147, 152, 160, 168, 171, 180, 189, 190, 196, 210, 216, 224, 228, 240, 245, 252, 266, 270, 280, 285, 288, 294, 304, 315, 336, 342, 360, 378, 380, 392, 399, 420, 432, 441, 456, 480, 490, 504, 513, 532, 540, 560, 570, 588, 608, 630, 665, 672, 684, 720, 735, 756, 760, 784, 798, 840, 855, 864, 882, 912, 931, 945, 980, 1008, 1026, 1064, 1080, 1120, 1140, 1176, 1197, 1260, 1323, 1330, 1368, 1440, 1470, 1512, 1520, 1568, 1596, 1680, 1710, 1764, 1824, 1862, 1890, 1960, 1995, 2016, 2052, 2128, 2160, 2205, 2280, 2352, 2394, 2520, 2565, 2646, 2660, 2736, 2793, 2940, 3024, 3040, 3192, 3360, 3420, 3528, 3591, 3724, 3780, 3920, 3990, 4104, 4256, 4320, 4410, 4560, 4655, 4704, 4788, 5040, 5130, 5292, 5320, 5472, 5586, 5880, 5985, 6048, 6384, 6615, 6840, 7056, 7182, 7448, 7560, 7840, 7980, 8208, 8379, 8820, 9120, 9310, 9576, 10080, 10260, 10584, 10640, 11172, 11760, 11970, 12768, 13230, 13680, 13965, 14112, 14364, 14896, 15120, 15960, 16416, 16758, 17640, 17955, 18620, 19152, 20520, 21168, 21280, 22344, 23520, 23940, 25137, 26460, 27360, 27930, 28728, 29792, 30240, 31920, 33516, 35280, 35910, 37240, 38304, 41040, 41895, 42336, 44688, 47880, 50274, 52920, 55860, 57456, 63840, 67032, 70560, 71820, 74480, 82080, 83790, 89376, 95760, 100548, 105840, 111720, 114912, 125685, 134064, 143640, 148960, 167580, 191520, 201096, 211680, 223440, 251370, 268128, 287280, 335160, 402192, 446880, 502740, 574560, 670320, 804384, 1005480, 1340640, 2010960, 4021920]

約数ペア:

[(1, 4021920), (2, 2010960), (3, 1340640), (4, 1005480), (5, 804384), (6, 670320), (7, 574560), (8, 502740), (9, 446880), (10, 402192), (12, 335160), (14, 287280), (15, 268128), (16, 251370), (18, 223440), (19, 211680), (20, 201096), (21, 191520), (24, 167580), (27, 148960), (28, 143640), (30, 134064), (32, 125685), (35, 114912), (36, 111720), (38, 105840), (40, 100548), (42, 95760), (45, 89376), (48, 83790), (49, 82080), (54, 74480), (56, 71820), (57, 70560), (60, 67032), (63, 63840), (70, 57456), (72, 55860), (76, 52920), (80, 50274), (84, 47880), (90, 44688), (95, 42336), (96, 41895), (98, 41040), (105, 38304), (108, 37240), (112, 35910), (114, 35280), (120, 33516), (126, 31920), (133, 30240), (135, 29792), (140, 28728), (144, 27930), (147, 27360), (152, 26460), (160, 25137), (168, 23940), (171, 23520), (180, 22344), (189, 21280), (190, 21168), (196, 20520), (210, 19152), (216, 18620), (224, 17955), (228, 17640), (240, 16758), (245, 16416), (252, 15960), (266, 15120), (270, 14896), (280, 14364), (285, 14112), (288, 13965), (294, 13680), (304, 13230), (315, 12768), (336, 11970), (342, 11760), (360, 11172), (378, 10640), (380, 10584), (392, 10260), (399, 10080), (420, 9576), (432, 9310), (441, 9120), (456, 8820), (480, 8379), (490, 8208), (504, 7980), (513, 7840), (532, 7560), (540, 7448), (560, 7182), (570, 7056), (588, 6840), (608, 6615), (630, 6384), (665, 6048), (672, 5985), (684, 5880), (720, 5586), (735, 5472), (756, 5320), (760, 5292), (784, 5130), (798, 5040), (840, 4788), (855, 4704), (864, 4655), (882, 4560), (912, 4410), (931, 4320), (945, 4256), (980, 4104), (1008, 3990), (1026, 3920), (1064, 3780), (1080, 3724), (1120, 3591), (1140, 3528), (1176, 3420), (1197, 3360), (1260, 3192), (1323, 3040), (1330, 3024), (1368, 2940), (1440, 2793), (1470, 2736), (1512, 2660), (1520, 2646), (1568, 2565), (1596, 2520), (1680, 2394), (1710, 2352), (1764, 2280), (1824, 2205), (1862, 2160), (1890, 2128), (1960, 2052), (1995, 2016)]