68817420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54617}}^1$

素因数の和:54639

約数の個数: 72

約数和(自身を含む): 238571424

約数和(自身を除く): 169754004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54617, 109234, 163851, 218468, 273085, 327702, 382319, 491553, 546170, 655404, 764638, 819255, 983106, 1092340, 1146957, 1529276, 1638510, 1911595, 1966212, 2293914, 2457765, 3277020, 3440871, 3823190, 4587828, 4915530, 5734785, 6881742, 7646380, 9831060, 11469570, 13763484, 17204355, 22939140, 34408710, 68817420]

約数ペア:

[(1, 68817420), (2, 34408710), (3, 22939140), (4, 17204355), (5, 13763484), (6, 11469570), (7, 9831060), (9, 7646380), (10, 6881742), (12, 5734785), (14, 4915530), (15, 4587828), (18, 3823190), (20, 3440871), (21, 3277020), (28, 2457765), (30, 2293914), (35, 1966212), (36, 1911595), (42, 1638510), (45, 1529276), (60, 1146957), (63, 1092340), (70, 983106), (84, 819255), (90, 764638), (105, 655404), (126, 546170), (140, 491553), (180, 382319), (210, 327702), (252, 273085), (315, 218468), (420, 163851), (630, 109234), (1260, 54617)]