64139640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1421

約数の個数: 128

約数和(自身を含む): 212751360

約数和(自身を除く): 148611720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1367, 1380, 1564, 1955, 2040, 2346, 2734, 2760, 3128, 3910, 4101, 4692, 5468, 5865, 6835, 7820, 8202, 9384, 10936, 11730, 13670, 15640, 16404, 20505, 23239, 23460, 27340, 31441, 32808, 41010, 46478, 46920, 54680, 62882, 69717, 82020, 92956, 94323, 116195, 125764, 139434, 157205, 164040, 185912, 188646, 232390, 251528, 278868, 314410, 348585, 377292, 464780, 471615, 534497, 557736, 628820, 697170, 754584, 929560, 943230, 1068994, 1257640, 1394340, 1603491, 1886460, 2137988, 2672485, 2788680, 3206982, 3772920, 4275976, 5344970, 6413964, 8017455, 10689940, 12827928, 16034910, 21379880, 32069820, 64139640]

約数ペア:

[(1, 64139640), (2, 32069820), (3, 21379880), (4, 16034910), (5, 12827928), (6, 10689940), (8, 8017455), (10, 6413964), (12, 5344970), (15, 4275976), (17, 3772920), (20, 3206982), (23, 2788680), (24, 2672485), (30, 2137988), (34, 1886460), (40, 1603491), (46, 1394340), (51, 1257640), (60, 1068994), (68, 943230), (69, 929560), (85, 754584), (92, 697170), (102, 628820), (115, 557736), (120, 534497), (136, 471615), (138, 464780), (170, 377292), (184, 348585), (204, 314410), (230, 278868), (255, 251528), (276, 232390), (340, 188646), (345, 185912), (391, 164040), (408, 157205), (460, 139434), (510, 125764), (552, 116195), (680, 94323), (690, 92956), (782, 82020), (920, 69717), (1020, 62882), (1173, 54680), (1367, 46920), (1380, 46478), (1564, 41010), (1955, 32808), (2040, 31441), (2346, 27340), (2734, 23460), (2760, 23239), (3128, 20505), (3910, 16404), (4101, 15640), (4692, 13670), (5468, 11730), (5865, 10936), (6835, 9384), (7820, 8202)]