7728240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2506

約数の個数: 80

約数和(自身を含む): 25810848

約数和(自身を除く): 18082608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 2477, 3120, 4954, 7431, 9908, 12385, 14862, 19816, 24770, 29724, 32201, 37155, 39632, 49540, 59448, 64402, 74310, 96603, 99080, 118896, 128804, 148620, 161005, 193206, 198160, 257608, 297240, 322010, 386412, 483015, 515216, 594480, 644020, 772824, 966030, 1288040, 1545648, 1932060, 2576080, 3864120, 7728240]

約数ペア:

[(1, 7728240), (2, 3864120), (3, 2576080), (4, 1932060), (5, 1545648), (6, 1288040), (8, 966030), (10, 772824), (12, 644020), (13, 594480), (15, 515216), (16, 483015), (20, 386412), (24, 322010), (26, 297240), (30, 257608), (39, 198160), (40, 193206), (48, 161005), (52, 148620), (60, 128804), (65, 118896), (78, 99080), (80, 96603), (104, 74310), (120, 64402), (130, 59448), (156, 49540), (195, 39632), (208, 37155), (240, 32201), (260, 29724), (312, 24770), (390, 19816), (520, 14862), (624, 12385), (780, 9908), (1040, 7431), (1560, 4954), (2477, 3120)]