235421440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 618105600

約数和(自身を除く): 382684160

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, 349, 496, 527, 544, 620, 640, 680, 698, 992, 1054, 1088, 1240, 1280, 1360, 1396, 1745, 1984, 2108, 2176, 2480, 2635, 2720, 2792, 3490, 3968, 4216, 4352, 4960, 5270, 5440, 5584, 5933, 6980, 7936, 8432, 9920, 10540, 10819, 10880, 11168, 11866, 13960, 16864, 19840, 21080, 21638, 21760, 22336, 23732, 27920, 29665, 33728, 39680, 42160, 43276, 44672, 47464, 54095, 55840, 59330, 67456, 84320, 86552, 89344, 94928, 108190, 111680, 118660, 134912, 168640, 173104, 183923, 189856, 216380, 223360, 237320, 337280, 346208, 367846, 379712, 432760, 446720, 474640, 674560, 692416, 735692, 759424, 865520, 919615, 949280, 1384832, 1471384, 1518848, 1731040, 1839230, 1898560, 2769664, 2942768, 3462080, 3678460, 3797120, 5885536, 6924160, 7356920, 7594240, 11771072, 13848320, 14713840, 23542144, 29427680, 47084288, 58855360, 117710720, 235421440]

約数ペア:

[(1, 235421440), (2, 117710720), (4, 58855360), (5, 47084288), (8, 29427680), (10, 23542144), (16, 14713840), (17, 13848320), (20, 11771072), (31, 7594240), (32, 7356920), (34, 6924160), (40, 5885536), (62, 3797120), (64, 3678460), (68, 3462080), (80, 2942768), (85, 2769664), (124, 1898560), (128, 1839230), (136, 1731040), (155, 1518848), (160, 1471384), (170, 1384832), (248, 949280), (256, 919615), (272, 865520), (310, 759424), (320, 735692), (340, 692416), (349, 674560), (496, 474640), (527, 446720), (544, 432760), (620, 379712), (640, 367846), (680, 346208), (698, 337280), (992, 237320), (1054, 223360), (1088, 216380), (1240, 189856), (1280, 183923), (1360, 173104), (1396, 168640), (1745, 134912), (1984, 118660), (2108, 111680), (2176, 108190), (2480, 94928), (2635, 89344), (2720, 86552), (2792, 84320), (3490, 67456), (3968, 59330), (4216, 55840), (4352, 54095), (4960, 47464), (5270, 44672), (5440, 43276), (5584, 42160), (5933, 39680), (6980, 33728), (7936, 29665), (8432, 27920), (9920, 23732), (10540, 22336), (10819, 21760), (10880, 21638), (11168, 21080), (11866, 19840), (13960, 16864)]