55354440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 172627200

約数和(自身を除く): 117272760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 73, 89, 120, 142, 146, 178, 213, 219, 267, 284, 292, 355, 356, 365, 426, 438, 445, 534, 568, 584, 710, 712, 730, 852, 876, 890, 1065, 1068, 1095, 1335, 1420, 1460, 1704, 1752, 1780, 2130, 2136, 2190, 2670, 2840, 2920, 3560, 4260, 4380, 5183, 5340, 6319, 6497, 8520, 8760, 10366, 10680, 12638, 12994, 15549, 18957, 19491, 20732, 25276, 25915, 25988, 31098, 31595, 32485, 37914, 38982, 41464, 50552, 51830, 51976, 62196, 63190, 64970, 75828, 77745, 77964, 94785, 97455, 103660, 124392, 126380, 129940, 151656, 155490, 155928, 189570, 194910, 207320, 252760, 259880, 310980, 379140, 389820, 461287, 621960, 758280, 779640, 922574, 1383861, 1845148, 2306435, 2767722, 3690296, 4612870, 5535444, 6919305, 9225740, 11070888, 13838610, 18451480, 27677220, 55354440]

約数ペア:

[(1, 55354440), (2, 27677220), (3, 18451480), (4, 13838610), (5, 11070888), (6, 9225740), (8, 6919305), (10, 5535444), (12, 4612870), (15, 3690296), (20, 2767722), (24, 2306435), (30, 1845148), (40, 1383861), (60, 922574), (71, 779640), (73, 758280), (89, 621960), (120, 461287), (142, 389820), (146, 379140), (178, 310980), (213, 259880), (219, 252760), (267, 207320), (284, 194910), (292, 189570), (355, 155928), (356, 155490), (365, 151656), (426, 129940), (438, 126380), (445, 124392), (534, 103660), (568, 97455), (584, 94785), (710, 77964), (712, 77745), (730, 75828), (852, 64970), (876, 63190), (890, 62196), (1065, 51976), (1068, 51830), (1095, 50552), (1335, 41464), (1420, 38982), (1460, 37914), (1704, 32485), (1752, 31595), (1780, 31098), (2130, 25988), (2136, 25915), (2190, 25276), (2670, 20732), (2840, 19491), (2920, 18957), (3560, 15549), (4260, 12994), (4380, 12638), (5183, 10680), (5340, 10366), (6319, 8760), (6497, 8520)]