127281720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1525

約数の個数: 128

約数和(自身を含む): 413994240

約数和(自身を除く): 286712520

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, 1451, 1462, 1720, 2040, 2193, 2580, 2902, 2924, 3655, 4353, 4386, 5160, 5804, 5848, 7255, 7310, 8706, 8772, 10965, 11608, 14510, 14620, 17412, 17544, 21765, 21930, 24667, 29020, 29240, 34824, 43530, 43860, 49334, 58040, 62393, 74001, 87060, 87720, 98668, 123335, 124786, 148002, 174120, 187179, 197336, 246670, 249572, 296004, 311965, 370005, 374358, 493340, 499144, 592008, 623930, 740010, 748716, 935895, 986680, 1060681, 1247860, 1480020, 1497432, 1871790, 2121362, 2495720, 2960040, 3182043, 3743580, 4242724, 5303405, 6364086, 7487160, 8485448, 10606810, 12728172, 15910215, 21213620, 25456344, 31820430, 42427240, 63640860, 127281720]

約数ペア:

[(1, 127281720), (2, 63640860), (3, 42427240), (4, 31820430), (5, 25456344), (6, 21213620), (8, 15910215), (10, 12728172), (12, 10606810), (15, 8485448), (17, 7487160), (20, 6364086), (24, 5303405), (30, 4242724), (34, 3743580), (40, 3182043), (43, 2960040), (51, 2495720), (60, 2121362), (68, 1871790), (85, 1497432), (86, 1480020), (102, 1247860), (120, 1060681), (129, 986680), (136, 935895), (170, 748716), (172, 740010), (204, 623930), (215, 592008), (255, 499144), (258, 493340), (340, 374358), (344, 370005), (408, 311965), (430, 296004), (510, 249572), (516, 246670), (645, 197336), (680, 187179), (731, 174120), (860, 148002), (1020, 124786), (1032, 123335), (1290, 98668), (1451, 87720), (1462, 87060), (1720, 74001), (2040, 62393), (2193, 58040), (2580, 49334), (2902, 43860), (2924, 43530), (3655, 34824), (4353, 29240), (4386, 29020), (5160, 24667), (5804, 21930), (5848, 21765), (7255, 17544), (7310, 17412), (8706, 14620), (8772, 14510), (10965, 11608)]