1218864720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39989}}^1$

素因数の和:40132

約数の個数: 80

約数和(自身を含む): 3808327680

約数和(自身を除く): 2589462960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 6096, 7620, 10160, 15240, 30480, 39989, 79978, 119967, 159956, 199945, 239934, 319912, 399890, 479868, 599835, 639824, 799780, 959736, 1199670, 1599560, 1919472, 2399340, 3199120, 4798680, 5078603, 9597360, 10157206, 15235809, 20314412, 25393015, 30471618, 40628824, 50786030, 60943236, 76179045, 81257648, 101572060, 121886472, 152358090, 203144120, 243772944, 304716180, 406288240, 609432360, 1218864720]

約数ペア:

[(1, 1218864720), (2, 609432360), (3, 406288240), (4, 304716180), (5, 243772944), (6, 203144120), (8, 152358090), (10, 121886472), (12, 101572060), (15, 81257648), (16, 76179045), (20, 60943236), (24, 50786030), (30, 40628824), (40, 30471618), (48, 25393015), (60, 20314412), (80, 15235809), (120, 10157206), (127, 9597360), (240, 5078603), (254, 4798680), (381, 3199120), (508, 2399340), (635, 1919472), (762, 1599560), (1016, 1199670), (1270, 959736), (1524, 799780), (1905, 639824), (2032, 599835), (2540, 479868), (3048, 399890), (3810, 319912), (5080, 239934), (6096, 199945), (7620, 159956), (10160, 119967), (15240, 79978), (30480, 39989)]