278737680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2249

約数の個数: 160

約数和(自身を含む): 953688960

約数和(自身を除く): 674951280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 624, 656, 780, 820, 984, 1040, 1066, 1230, 1560, 1599, 1640, 1968, 2132, 2179, 2460, 2665, 3120, 3198, 3280, 4264, 4358, 4920, 5330, 6396, 6537, 7995, 8528, 8716, 9840, 10660, 10895, 12792, 13074, 15990, 17432, 21320, 21790, 25584, 26148, 28327, 31980, 32685, 34864, 42640, 43580, 52296, 56654, 63960, 65370, 84981, 87160, 89339, 104592, 113308, 127920, 130740, 141635, 169962, 174320, 178678, 226616, 261480, 268017, 283270, 339924, 357356, 424905, 446695, 453232, 522960, 536034, 566540, 679848, 714712, 849810, 893390, 1072068, 1133080, 1161407, 1340085, 1359696, 1429424, 1699620, 1786780, 2144136, 2266160, 2322814, 2680170, 3399240, 3484221, 3573560, 4288272, 4645628, 5360340, 5807035, 6798480, 6968442, 7147120, 9291256, 10720680, 11614070, 13936884, 17421105, 18582512, 21441360, 23228140, 27873768, 34842210, 46456280, 55747536, 69684420, 92912560, 139368840, 278737680]

約数ペア:

[(1, 278737680), (2, 139368840), (3, 92912560), (4, 69684420), (5, 55747536), (6, 46456280), (8, 34842210), (10, 27873768), (12, 23228140), (13, 21441360), (15, 18582512), (16, 17421105), (20, 13936884), (24, 11614070), (26, 10720680), (30, 9291256), (39, 7147120), (40, 6968442), (41, 6798480), (48, 5807035), (52, 5360340), (60, 4645628), (65, 4288272), (78, 3573560), (80, 3484221), (82, 3399240), (104, 2680170), (120, 2322814), (123, 2266160), (130, 2144136), (156, 1786780), (164, 1699620), (195, 1429424), (205, 1359696), (208, 1340085), (240, 1161407), (246, 1133080), (260, 1072068), (312, 893390), (328, 849810), (390, 714712), (410, 679848), (492, 566540), (520, 536034), (533, 522960), (615, 453232), (624, 446695), (656, 424905), (780, 357356), (820, 339924), (984, 283270), (1040, 268017), (1066, 261480), (1230, 226616), (1560, 178678), (1599, 174320), (1640, 169962), (1968, 141635), (2132, 130740), (2179, 127920), (2460, 113308), (2665, 104592), (3120, 89339), (3198, 87160), (3280, 84981), (4264, 65370), (4358, 63960), (4920, 56654), (5330, 52296), (6396, 43580), (6537, 42640), (7995, 34864), (8528, 32685), (8716, 31980), (9840, 28327), (10660, 26148), (10895, 25584), (12792, 21790), (13074, 21320), (15990, 17432)]