156639680

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11939}}^1$

素因数の和:11997

約数の個数: 56

約数和(自身を含む): 382127760

約数和(自身を除く): 225488080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 11939, 13120, 23878, 47756, 59695, 95512, 119390, 191024, 238780, 382048, 477560, 489499, 764096, 955120, 978998, 1910240, 1957996, 2447495, 3820480, 3915992, 4894990, 7831984, 9789980, 15663968, 19579960, 31327936, 39159920, 78319840, 156639680]

約数ペア:

[(1, 156639680), (2, 78319840), (4, 39159920), (5, 31327936), (8, 19579960), (10, 15663968), (16, 9789980), (20, 7831984), (32, 4894990), (40, 3915992), (41, 3820480), (64, 2447495), (80, 1957996), (82, 1910240), (160, 978998), (164, 955120), (205, 764096), (320, 489499), (328, 477560), (410, 382048), (656, 238780), (820, 191024), (1312, 119390), (1640, 95512), (2624, 59695), (3280, 47756), (6560, 23878), (11939, 13120)]