90108160

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 236425392

約数和(自身を除く): 146317232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 101, 128, 136, 160, 164, 170, 202, 205, 256, 272, 320, 328, 340, 404, 410, 505, 544, 640, 656, 680, 697, 808, 820, 1010, 1088, 1280, 1312, 1360, 1394, 1616, 1640, 1717, 2020, 2176, 2624, 2720, 2788, 3232, 3280, 3434, 3485, 4040, 4141, 4352, 5248, 5440, 5576, 6464, 6560, 6868, 6970, 8080, 8282, 8585, 10496, 10880, 11152, 12928, 13120, 13736, 13940, 16160, 16564, 17170, 20705, 21760, 22304, 25856, 26240, 27472, 27880, 32320, 33128, 34340, 41410, 44608, 52480, 54944, 55760, 64640, 66256, 68680, 70397, 82820, 89216, 109888, 111520, 129280, 132512, 137360, 140794, 165640, 178432, 219776, 223040, 265024, 274720, 281588, 331280, 351985, 439552, 446080, 530048, 549440, 563176, 662560, 703970, 892160, 1060096, 1098880, 1126352, 1325120, 1407940, 2197760, 2252704, 2650240, 2815880, 4505408, 5300480, 5631760, 9010816, 11263520, 18021632, 22527040, 45054080, 90108160]

約数ペア:

[(1, 90108160), (2, 45054080), (4, 22527040), (5, 18021632), (8, 11263520), (10, 9010816), (16, 5631760), (17, 5300480), (20, 4505408), (32, 2815880), (34, 2650240), (40, 2252704), (41, 2197760), (64, 1407940), (68, 1325120), (80, 1126352), (82, 1098880), (85, 1060096), (101, 892160), (128, 703970), (136, 662560), (160, 563176), (164, 549440), (170, 530048), (202, 446080), (205, 439552), (256, 351985), (272, 331280), (320, 281588), (328, 274720), (340, 265024), (404, 223040), (410, 219776), (505, 178432), (544, 165640), (640, 140794), (656, 137360), (680, 132512), (697, 129280), (808, 111520), (820, 109888), (1010, 89216), (1088, 82820), (1280, 70397), (1312, 68680), (1360, 66256), (1394, 64640), (1616, 55760), (1640, 54944), (1717, 52480), (2020, 44608), (2176, 41410), (2624, 34340), (2720, 33128), (2788, 32320), (3232, 27880), (3280, 27472), (3434, 26240), (3485, 25856), (4040, 22304), (4141, 21760), (4352, 20705), (5248, 17170), (5440, 16564), (5576, 16160), (6464, 13940), (6560, 13736), (6868, 13120), (6970, 12928), (8080, 11152), (8282, 10880), (8585, 10496)]