1621642240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:674

約数の個数: 176

約数和(自身を含む): 4258808064

約数和(自身を除く): 2637165824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 601, 620, 640, 680, 992, 1024, 1054, 1088, 1202, 1240, 1280, 1360, 1984, 2108, 2176, 2404, 2480, 2560, 2635, 2720, 3005, 3968, 4216, 4352, 4808, 4960, 5120, 5270, 5440, 6010, 7936, 8432, 8704, 9616, 9920, 10217, 10540, 10880, 12020, 15872, 16864, 17408, 18631, 19232, 19840, 20434, 21080, 21760, 24040, 31744, 33728, 37262, 38464, 39680, 40868, 42160, 43520, 48080, 51085, 67456, 74524, 76928, 79360, 81736, 84320, 87040, 93155, 96160, 102170, 134912, 149048, 153856, 158720, 163472, 168640, 186310, 192320, 204340, 269824, 298096, 307712, 316727, 326944, 337280, 372620, 384640, 408680, 539648, 596192, 615424, 633454, 653888, 674560, 745240, 769280, 817360, 1192384, 1266908, 1307776, 1349120, 1490480, 1538560, 1583635, 1634720, 2384768, 2533816, 2615552, 2698240, 2980960, 3077120, 3167270, 3269440, 4769536, 5067632, 5231104, 5961920, 6334540, 6538880, 9539072, 10135264, 10462208, 11923840, 12669080, 13077760, 19078144, 20270528, 23847680, 25338160, 26155520, 40541056, 47695360, 50676320, 52311040, 81082112, 95390720, 101352640, 162164224, 202705280, 324328448, 405410560, 810821120, 1621642240]

約数ペア:

[(1, 1621642240), (2, 810821120), (4, 405410560), (5, 324328448), (8, 202705280), (10, 162164224), (16, 101352640), (17, 95390720), (20, 81082112), (31, 52311040), (32, 50676320), (34, 47695360), (40, 40541056), (62, 26155520), (64, 25338160), (68, 23847680), (80, 20270528), (85, 19078144), (124, 13077760), (128, 12669080), (136, 11923840), (155, 10462208), (160, 10135264), (170, 9539072), (248, 6538880), (256, 6334540), (272, 5961920), (310, 5231104), (320, 5067632), (340, 4769536), (496, 3269440), (512, 3167270), (527, 3077120), (544, 2980960), (601, 2698240), (620, 2615552), (640, 2533816), (680, 2384768), (992, 1634720), (1024, 1583635), (1054, 1538560), (1088, 1490480), (1202, 1349120), (1240, 1307776), (1280, 1266908), (1360, 1192384), (1984, 817360), (2108, 769280), (2176, 745240), (2404, 674560), (2480, 653888), (2560, 633454), (2635, 615424), (2720, 596192), (3005, 539648), (3968, 408680), (4216, 384640), (4352, 372620), (4808, 337280), (4960, 326944), (5120, 316727), (5270, 307712), (5440, 298096), (6010, 269824), (7936, 204340), (8432, 192320), (8704, 186310), (9616, 168640), (9920, 163472), (10217, 158720), (10540, 153856), (10880, 149048), (12020, 134912), (15872, 102170), (16864, 96160), (17408, 93155), (18631, 87040), (19232, 84320), (19840, 81736), (20434, 79360), (21080, 76928), (21760, 74524), (24040, 67456), (31744, 51085), (33728, 48080), (37262, 43520), (38464, 42160), (39680, 40868)]