55378920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 177292800

約数和(自身を除く): 121913880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 107, 114, 120, 152, 190, 214, 227, 228, 285, 321, 380, 428, 454, 456, 535, 570, 642, 681, 760, 856, 908, 1070, 1135, 1140, 1284, 1362, 1605, 1816, 2033, 2140, 2270, 2280, 2568, 2724, 3210, 3405, 4066, 4280, 4313, 4540, 5448, 6099, 6420, 6810, 8132, 8626, 9080, 10165, 12198, 12840, 12939, 13620, 16264, 17252, 20330, 21565, 24289, 24396, 25878, 27240, 30495, 34504, 40660, 43130, 48578, 48792, 51756, 60990, 64695, 72867, 81320, 86260, 97156, 103512, 121445, 121980, 129390, 145734, 172520, 194312, 242890, 243960, 258780, 291468, 364335, 461491, 485780, 517560, 582936, 728670, 922982, 971560, 1384473, 1457340, 1845964, 2307455, 2768946, 2914680, 3691928, 4614910, 5537892, 6922365, 9229820, 11075784, 13844730, 18459640, 27689460, 55378920]

約数ペア:

[(1, 55378920), (2, 27689460), (3, 18459640), (4, 13844730), (5, 11075784), (6, 9229820), (8, 6922365), (10, 5537892), (12, 4614910), (15, 3691928), (19, 2914680), (20, 2768946), (24, 2307455), (30, 1845964), (38, 1457340), (40, 1384473), (57, 971560), (60, 922982), (76, 728670), (95, 582936), (107, 517560), (114, 485780), (120, 461491), (152, 364335), (190, 291468), (214, 258780), (227, 243960), (228, 242890), (285, 194312), (321, 172520), (380, 145734), (428, 129390), (454, 121980), (456, 121445), (535, 103512), (570, 97156), (642, 86260), (681, 81320), (760, 72867), (856, 64695), (908, 60990), (1070, 51756), (1135, 48792), (1140, 48578), (1284, 43130), (1362, 40660), (1605, 34504), (1816, 30495), (2033, 27240), (2140, 25878), (2270, 24396), (2280, 24289), (2568, 21565), (2724, 20330), (3210, 17252), (3405, 16264), (4066, 13620), (4280, 12939), (4313, 12840), (4540, 12198), (5448, 10165), (6099, 9080), (6420, 8626), (6810, 8132)]