12217507920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{70999}}^1$

素因数の和:71257

約数の個数: 120

約数和(自身を含む): 41202720000

約数和(自身を除く): 28985212080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1434, 1912, 2151, 2390, 2868, 3585, 3824, 4302, 4780, 5736, 7170, 8604, 9560, 10755, 11472, 14340, 17208, 19120, 21510, 28680, 34416, 43020, 57360, 70999, 86040, 141998, 172080, 212997, 283996, 354995, 425994, 567992, 638991, 709990, 851988, 1064985, 1135984, 1277982, 1419980, 1703976, 2129970, 2555964, 2839960, 3194955, 3407952, 4259940, 5111928, 5679920, 6389910, 8519880, 10223856, 12779820, 16968761, 17039760, 25559640, 33937522, 50906283, 51119280, 67875044, 84843805, 101812566, 135750088, 152718849, 169687610, 203625132, 254531415, 271500176, 305437698, 339375220, 407250264, 509062830, 610875396, 678750440, 763594245, 814500528, 1018125660, 1221750792, 1357500880, 1527188490, 2036251320, 2443501584, 3054376980, 4072502640, 6108753960, 12217507920]

約数ペア:

[(1, 12217507920), (2, 6108753960), (3, 4072502640), (4, 3054376980), (5, 2443501584), (6, 2036251320), (8, 1527188490), (9, 1357500880), (10, 1221750792), (12, 1018125660), (15, 814500528), (16, 763594245), (18, 678750440), (20, 610875396), (24, 509062830), (30, 407250264), (36, 339375220), (40, 305437698), (45, 271500176), (48, 254531415), (60, 203625132), (72, 169687610), (80, 152718849), (90, 135750088), (120, 101812566), (144, 84843805), (180, 67875044), (239, 51119280), (240, 50906283), (360, 33937522), (478, 25559640), (717, 17039760), (720, 16968761), (956, 12779820), (1195, 10223856), (1434, 8519880), (1912, 6389910), (2151, 5679920), (2390, 5111928), (2868, 4259940), (3585, 3407952), (3824, 3194955), (4302, 2839960), (4780, 2555964), (5736, 2129970), (7170, 1703976), (8604, 1419980), (9560, 1277982), (10755, 1135984), (11472, 1064985), (14340, 851988), (17208, 709990), (19120, 638991), (21510, 567992), (28680, 425994), (34416, 354995), (43020, 283996), (57360, 212997), (70999, 172080), (86040, 141998)]