2556555720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{739}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 7774617600

約数和(自身を除く): 5218061880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 227, 254, 381, 454, 508, 635, 681, 739, 762, 908, 1016, 1135, 1270, 1362, 1478, 1524, 1816, 1905, 2217, 2270, 2540, 2724, 2956, 3048, 3405, 3695, 3810, 4434, 4540, 5080, 5448, 5912, 6810, 7390, 7620, 8868, 9080, 11085, 13620, 14780, 15240, 17736, 22170, 27240, 28829, 29560, 44340, 57658, 86487, 88680, 93853, 115316, 144145, 167753, 172974, 187706, 230632, 281559, 288290, 335506, 345948, 375412, 432435, 469265, 503259, 563118, 576580, 671012, 691896, 750824, 838765, 864870, 938530, 1006518, 1126236, 1153160, 1342024, 1407795, 1677530, 1729740, 1877060, 2013036, 2252472, 2516295, 2815590, 3355060, 3459480, 3754120, 4026072, 5032590, 5631180, 6710120, 10065180, 11262360, 20130360, 21304631, 42609262, 63913893, 85218524, 106523155, 127827786, 170437048, 213046310, 255655572, 319569465, 426092620, 511311144, 639138930, 852185240, 1278277860, 2556555720]

約数ペア:

[(1, 2556555720), (2, 1278277860), (3, 852185240), (4, 639138930), (5, 511311144), (6, 426092620), (8, 319569465), (10, 255655572), (12, 213046310), (15, 170437048), (20, 127827786), (24, 106523155), (30, 85218524), (40, 63913893), (60, 42609262), (120, 21304631), (127, 20130360), (227, 11262360), (254, 10065180), (381, 6710120), (454, 5631180), (508, 5032590), (635, 4026072), (681, 3754120), (739, 3459480), (762, 3355060), (908, 2815590), (1016, 2516295), (1135, 2252472), (1270, 2013036), (1362, 1877060), (1478, 1729740), (1524, 1677530), (1816, 1407795), (1905, 1342024), (2217, 1153160), (2270, 1126236), (2540, 1006518), (2724, 938530), (2956, 864870), (3048, 838765), (3405, 750824), (3695, 691896), (3810, 671012), (4434, 576580), (4540, 563118), (5080, 503259), (5448, 469265), (5912, 432435), (6810, 375412), (7390, 345948), (7620, 335506), (8868, 288290), (9080, 281559), (11085, 230632), (13620, 187706), (14780, 172974), (15240, 167753), (17736, 144145), (22170, 115316), (27240, 93853), (28829, 88680), (29560, 86487), (44340, 57658)]