28504080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 240

約数和(自身を含む): 107939520

約数和(自身を除く): 79435440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 59, 60, 61, 66, 72, 80, 88, 90, 99, 110, 118, 120, 122, 132, 144, 165, 176, 177, 180, 183, 198, 220, 236, 240, 244, 264, 295, 305, 330, 354, 360, 366, 396, 440, 472, 488, 495, 528, 531, 549, 590, 610, 649, 660, 671, 708, 720, 732, 792, 880, 885, 915, 944, 976, 990, 1062, 1098, 1180, 1220, 1298, 1320, 1342, 1416, 1464, 1584, 1770, 1830, 1947, 1980, 2013, 2124, 2196, 2360, 2440, 2596, 2640, 2655, 2684, 2745, 2832, 2928, 3245, 3355, 3540, 3599, 3660, 3894, 3960, 4026, 4248, 4392, 4720, 4880, 5192, 5310, 5368, 5490, 5841, 6039, 6490, 6710, 7080, 7198, 7320, 7788, 7920, 8052, 8496, 8784, 9735, 10065, 10384, 10620, 10736, 10797, 10980, 11682, 12078, 12980, 13420, 14160, 14396, 14640, 15576, 16104, 17995, 19470, 20130, 21240, 21594, 21960, 23364, 24156, 25960, 26840, 28792, 29205, 30195, 31152, 32208, 32391, 35990, 38940, 39589, 40260, 42480, 43188, 43920, 46728, 48312, 51920, 53680, 53985, 57584, 58410, 60390, 64782, 71980, 77880, 79178, 80520, 86376, 93456, 96624, 107970, 116820, 118767, 120780, 129564, 143960, 155760, 158356, 161040, 161955, 172752, 197945, 215940, 233640, 237534, 241560, 259128, 287920, 316712, 323910, 356301, 395890, 431880, 467280, 475068, 483120, 518256, 593835, 633424, 647820, 712602, 791780, 863760, 950136, 1187670, 1295640, 1425204, 1583560, 1781505, 1900272, 2375340, 2591280, 2850408, 3167120, 3563010, 4750680, 5700816, 7126020, 9501360, 14252040, 28504080]

約数ペア:

[(1, 28504080), (2, 14252040), (3, 9501360), (4, 7126020), (5, 5700816), (6, 4750680), (8, 3563010), (9, 3167120), (10, 2850408), (11, 2591280), (12, 2375340), (15, 1900272), (16, 1781505), (18, 1583560), (20, 1425204), (22, 1295640), (24, 1187670), (30, 950136), (33, 863760), (36, 791780), (40, 712602), (44, 647820), (45, 633424), (48, 593835), (55, 518256), (59, 483120), (60, 475068), (61, 467280), (66, 431880), (72, 395890), (80, 356301), (88, 323910), (90, 316712), (99, 287920), (110, 259128), (118, 241560), (120, 237534), (122, 233640), (132, 215940), (144, 197945), (165, 172752), (176, 161955), (177, 161040), (180, 158356), (183, 155760), (198, 143960), (220, 129564), (236, 120780), (240, 118767), (244, 116820), (264, 107970), (295, 96624), (305, 93456), (330, 86376), (354, 80520), (360, 79178), (366, 77880), (396, 71980), (440, 64782), (472, 60390), (488, 58410), (495, 57584), (528, 53985), (531, 53680), (549, 51920), (590, 48312), (610, 46728), (649, 43920), (660, 43188), (671, 42480), (708, 40260), (720, 39589), (732, 38940), (792, 35990), (880, 32391), (885, 32208), (915, 31152), (944, 30195), (976, 29205), (990, 28792), (1062, 26840), (1098, 25960), (1180, 24156), (1220, 23364), (1298, 21960), (1320, 21594), (1342, 21240), (1416, 20130), (1464, 19470), (1584, 17995), (1770, 16104), (1830, 15576), (1947, 14640), (1980, 14396), (2013, 14160), (2124, 13420), (2196, 12980), (2360, 12078), (2440, 11682), (2596, 10980), (2640, 10797), (2655, 10736), (2684, 10620), (2745, 10384), (2832, 10065), (2928, 9735), (3245, 8784), (3355, 8496), (3540, 8052), (3599, 7920), (3660, 7788), (3894, 7320), (3960, 7198), (4026, 7080), (4248, 6710), (4392, 6490), (4720, 6039), (4880, 5841), (5192, 5490), (5310, 5368)]