78238020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1709}}^1$

素因数の和:1837

約数の個数: 96

約数和(自身を含む): 252806400

約数和(自身を除く): 174568380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 1709, 2180, 2289, 3052, 3270, 3418, 3815, 4578, 5127, 6540, 6836, 7630, 8545, 9156, 10254, 11445, 11963, 15260, 17090, 20508, 22890, 23926, 25635, 34180, 35889, 45780, 47852, 51270, 59815, 71778, 102540, 119630, 143556, 179445, 186281, 239260, 358890, 372562, 558843, 717780, 745124, 931405, 1117686, 1303967, 1862810, 2235372, 2607934, 2794215, 3725620, 3911901, 5215868, 5588430, 6519835, 7823802, 11176860, 13039670, 15647604, 19559505, 26079340, 39119010, 78238020]

約数ペア:

[(1, 78238020), (2, 39119010), (3, 26079340), (4, 19559505), (5, 15647604), (6, 13039670), (7, 11176860), (10, 7823802), (12, 6519835), (14, 5588430), (15, 5215868), (20, 3911901), (21, 3725620), (28, 2794215), (30, 2607934), (35, 2235372), (42, 1862810), (60, 1303967), (70, 1117686), (84, 931405), (105, 745124), (109, 717780), (140, 558843), (210, 372562), (218, 358890), (327, 239260), (420, 186281), (436, 179445), (545, 143556), (654, 119630), (763, 102540), (1090, 71778), (1308, 59815), (1526, 51270), (1635, 47852), (1709, 45780), (2180, 35889), (2289, 34180), (3052, 25635), (3270, 23926), (3418, 22890), (3815, 20508), (4578, 17090), (5127, 15260), (6540, 11963), (6836, 11445), (7630, 10254), (8545, 9156)]