28700880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9199}}^1$

素因数の和:9228

約数の個数: 80

約数和(自身を含む): 95827200

約数和(自身を除く): 67126320

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, 3120, 9199, 18398, 27597, 36796, 45995, 55194, 73592, 91990, 110388, 119587, 137985, 147184, 183980, 220776, 239174, 275970, 358761, 367960, 441552, 478348, 551940, 597935, 717522, 735920, 956696, 1103880, 1195870, 1435044, 1793805, 1913392, 2207760, 2391740, 2870088, 3587610, 4783480, 5740176, 7175220, 9566960, 14350440, 28700880]

約数ペア:

[(1, 28700880), (2, 14350440), (3, 9566960), (4, 7175220), (5, 5740176), (6, 4783480), (8, 3587610), (10, 2870088), (12, 2391740), (13, 2207760), (15, 1913392), (16, 1793805), (20, 1435044), (24, 1195870), (26, 1103880), (30, 956696), (39, 735920), (40, 717522), (48, 597935), (52, 551940), (60, 478348), (65, 441552), (78, 367960), (80, 358761), (104, 275970), (120, 239174), (130, 220776), (156, 183980), (195, 147184), (208, 137985), (240, 119587), (260, 110388), (312, 91990), (390, 73592), (520, 55194), (624, 45995), (780, 36796), (1040, 27597), (1560, 18398), (3120, 9199)]