78361280

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3537

約数の個数: 56

約数和(自身を含む): 189280800

約数和(自身を除く): 110919520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3449, 4544, 5680, 6898, 11360, 13796, 17245, 22720, 27592, 34490, 55184, 68980, 110368, 137960, 220736, 244879, 275920, 489758, 551840, 979516, 1103680, 1224395, 1959032, 2448790, 3918064, 4897580, 7836128, 9795160, 15672256, 19590320, 39180640, 78361280]

約数ペア:

[(1, 78361280), (2, 39180640), (4, 19590320), (5, 15672256), (8, 9795160), (10, 7836128), (16, 4897580), (20, 3918064), (32, 2448790), (40, 1959032), (64, 1224395), (71, 1103680), (80, 979516), (142, 551840), (160, 489758), (284, 275920), (320, 244879), (355, 220736), (568, 137960), (710, 110368), (1136, 68980), (1420, 55184), (2272, 34490), (2840, 27592), (3449, 22720), (4544, 17245), (5680, 13796), (6898, 11360)]