68880260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{701}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 153906480

約数和(自身を除く): 85026220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 701, 1156, 1402, 1445, 2804, 2890, 3505, 4913, 5780, 7010, 9826, 11917, 14020, 19652, 23834, 24565, 47668, 49130, 59585, 98260, 119170, 202589, 238340, 405178, 810356, 1012945, 2025890, 3444013, 4051780, 6888026, 13776052, 17220065, 34440130, 68880260]

約数ペア:

[(1, 68880260), (2, 34440130), (4, 17220065), (5, 13776052), (10, 6888026), (17, 4051780), (20, 3444013), (34, 2025890), (68, 1012945), (85, 810356), (170, 405178), (289, 238340), (340, 202589), (578, 119170), (701, 98260), (1156, 59585), (1402, 49130), (1445, 47668), (2804, 24565), (2890, 23834), (3505, 19652), (4913, 14020), (5780, 11917), (7010, 9826)]