72451560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 234432000

約数和(自身を除く): 161980440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 739, 760, 817, 860, 1032, 1140, 1290, 1478, 1634, 1720, 2217, 2280, 2451, 2580, 2956, 3268, 3695, 4085, 4434, 4902, 5160, 5912, 6536, 7390, 8170, 8868, 9804, 11085, 12255, 14041, 14780, 16340, 17736, 19608, 22170, 24510, 28082, 29560, 31777, 32680, 42123, 44340, 49020, 56164, 63554, 70205, 84246, 88680, 95331, 98040, 112328, 127108, 140410, 158885, 168492, 190662, 210615, 254216, 280820, 317770, 336984, 381324, 421230, 476655, 561640, 603763, 635540, 762648, 842460, 953310, 1207526, 1271080, 1684920, 1811289, 1906620, 2415052, 3018815, 3622578, 3813240, 4830104, 6037630, 7245156, 9056445, 12075260, 14490312, 18112890, 24150520, 36225780, 72451560]

約数ペア:

[(1, 72451560), (2, 36225780), (3, 24150520), (4, 18112890), (5, 14490312), (6, 12075260), (8, 9056445), (10, 7245156), (12, 6037630), (15, 4830104), (19, 3813240), (20, 3622578), (24, 3018815), (30, 2415052), (38, 1906620), (40, 1811289), (43, 1684920), (57, 1271080), (60, 1207526), (76, 953310), (86, 842460), (95, 762648), (114, 635540), (120, 603763), (129, 561640), (152, 476655), (172, 421230), (190, 381324), (215, 336984), (228, 317770), (258, 280820), (285, 254216), (344, 210615), (380, 190662), (430, 168492), (456, 158885), (516, 140410), (570, 127108), (645, 112328), (739, 98040), (760, 95331), (817, 88680), (860, 84246), (1032, 70205), (1140, 63554), (1290, 56164), (1478, 49020), (1634, 44340), (1720, 42123), (2217, 32680), (2280, 31777), (2451, 29560), (2580, 28082), (2956, 24510), (3268, 22170), (3695, 19608), (4085, 17736), (4434, 16340), (4902, 14780), (5160, 14041), (5912, 12255), (6536, 11085), (7390, 9804), (8170, 8868)]