81647580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2663}}^1$

素因数の和:2755

約数の個数: 96

約数和(自身を含む): 264950784

約数和(自身を除く): 183303204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 2663, 3066, 4380, 5110, 5326, 6132, 7665, 7989, 10220, 10652, 13315, 15330, 15978, 18641, 26630, 30660, 31956, 37282, 39945, 53260, 55923, 74564, 79890, 93205, 111846, 159780, 186410, 194399, 223692, 279615, 372820, 388798, 559230, 583197, 777596, 971995, 1118460, 1166394, 1360793, 1943990, 2332788, 2721586, 2915985, 3887980, 4082379, 5443172, 5831970, 6803965, 8164758, 11663940, 13607930, 16329516, 20411895, 27215860, 40823790, 81647580]

約数ペア:

[(1, 81647580), (2, 40823790), (3, 27215860), (4, 20411895), (5, 16329516), (6, 13607930), (7, 11663940), (10, 8164758), (12, 6803965), (14, 5831970), (15, 5443172), (20, 4082379), (21, 3887980), (28, 2915985), (30, 2721586), (35, 2332788), (42, 1943990), (60, 1360793), (70, 1166394), (73, 1118460), (84, 971995), (105, 777596), (140, 583197), (146, 559230), (210, 388798), (219, 372820), (292, 279615), (365, 223692), (420, 194399), (438, 186410), (511, 159780), (730, 111846), (876, 93205), (1022, 79890), (1095, 74564), (1460, 55923), (1533, 53260), (2044, 39945), (2190, 37282), (2555, 31956), (2663, 30660), (3066, 26630), (4380, 18641), (5110, 15978), (5326, 15330), (6132, 13315), (7665, 10652), (7989, 10220)]