157983720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1875

約数の個数: 128

約数和(自身を含む): 513786240

約数和(自身を除く): 355802520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 1801, 2040, 2193, 2580, 2924, 3602, 3655, 4386, 5160, 5403, 5848, 7204, 7310, 8772, 9005, 10806, 10965, 14408, 14620, 17544, 18010, 21612, 21930, 27015, 29240, 30617, 36020, 43224, 43860, 54030, 61234, 72040, 77443, 87720, 91851, 108060, 122468, 153085, 154886, 183702, 216120, 232329, 244936, 306170, 309772, 367404, 387215, 459255, 464658, 612340, 619544, 734808, 774430, 918510, 929316, 1161645, 1224680, 1316531, 1548860, 1837020, 1858632, 2323290, 2633062, 3097720, 3674040, 3949593, 4646580, 5266124, 6582655, 7899186, 9293160, 10532248, 13165310, 15798372, 19747965, 26330620, 31596744, 39495930, 52661240, 78991860, 157983720]

約数ペア:

[(1, 157983720), (2, 78991860), (3, 52661240), (4, 39495930), (5, 31596744), (6, 26330620), (8, 19747965), (10, 15798372), (12, 13165310), (15, 10532248), (17, 9293160), (20, 7899186), (24, 6582655), (30, 5266124), (34, 4646580), (40, 3949593), (43, 3674040), (51, 3097720), (60, 2633062), (68, 2323290), (85, 1858632), (86, 1837020), (102, 1548860), (120, 1316531), (129, 1224680), (136, 1161645), (170, 929316), (172, 918510), (204, 774430), (215, 734808), (255, 619544), (258, 612340), (340, 464658), (344, 459255), (408, 387215), (430, 367404), (510, 309772), (516, 306170), (645, 244936), (680, 232329), (731, 216120), (860, 183702), (1020, 154886), (1032, 153085), (1290, 122468), (1462, 108060), (1720, 91851), (1801, 87720), (2040, 77443), (2193, 72040), (2580, 61234), (2924, 54030), (3602, 43860), (3655, 43224), (4386, 36020), (5160, 30617), (5403, 29240), (5848, 27015), (7204, 21930), (7310, 21612), (8772, 18010), (9005, 17544), (10806, 14620), (10965, 14408)]