71809140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2209

約数の個数: 96

約数和(自身を含む): 221671296

約数和(自身を除く): 149862156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1677, 2141, 2236, 2580, 2795, 3354, 4282, 5590, 6423, 6708, 8385, 8564, 10705, 11180, 12846, 16770, 21410, 25692, 27833, 32115, 33540, 42820, 55666, 64230, 83499, 92063, 111332, 128460, 139165, 166998, 184126, 276189, 278330, 333996, 368252, 417495, 460315, 552378, 556660, 834990, 920630, 1104756, 1196819, 1380945, 1669980, 1841260, 2393638, 2761890, 3590457, 4787276, 5523780, 5984095, 7180914, 11968190, 14361828, 17952285, 23936380, 35904570, 71809140]

約数ペア:

[(1, 71809140), (2, 35904570), (3, 23936380), (4, 17952285), (5, 14361828), (6, 11968190), (10, 7180914), (12, 5984095), (13, 5523780), (15, 4787276), (20, 3590457), (26, 2761890), (30, 2393638), (39, 1841260), (43, 1669980), (52, 1380945), (60, 1196819), (65, 1104756), (78, 920630), (86, 834990), (129, 556660), (130, 552378), (156, 460315), (172, 417495), (195, 368252), (215, 333996), (258, 278330), (260, 276189), (390, 184126), (430, 166998), (516, 139165), (559, 128460), (645, 111332), (780, 92063), (860, 83499), (1118, 64230), (1290, 55666), (1677, 42820), (2141, 33540), (2236, 32115), (2580, 27833), (2795, 25692), (3354, 21410), (4282, 16770), (5590, 12846), (6423, 11180), (6708, 10705), (8385, 8564)]