123992440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 334756800

約数和(自身を除く): 210764360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 65, 88, 104, 106, 110, 130, 143, 212, 220, 260, 265, 286, 409, 424, 440, 520, 530, 572, 583, 689, 715, 818, 1060, 1144, 1166, 1378, 1430, 1636, 2045, 2120, 2332, 2756, 2860, 2915, 3272, 3445, 4090, 4499, 4664, 5317, 5512, 5720, 5830, 6890, 7579, 8180, 8998, 10634, 11660, 13780, 15158, 16360, 17996, 21268, 21677, 22495, 23320, 26585, 27560, 30316, 35992, 37895, 42536, 43354, 44990, 53170, 58487, 60632, 75790, 86708, 89980, 106340, 108385, 116974, 151580, 173416, 179960, 212680, 216770, 233948, 238447, 281801, 292435, 303160, 433540, 467896, 476894, 563602, 584870, 867080, 953788, 1127204, 1169740, 1192235, 1409005, 1907576, 2254408, 2339480, 2384470, 2818010, 3099811, 4768940, 5636020, 6199622, 9537880, 11272040, 12399244, 15499055, 24798488, 30998110, 61996220, 123992440]

約数ペア:

[(1, 123992440), (2, 61996220), (4, 30998110), (5, 24798488), (8, 15499055), (10, 12399244), (11, 11272040), (13, 9537880), (20, 6199622), (22, 5636020), (26, 4768940), (40, 3099811), (44, 2818010), (52, 2384470), (53, 2339480), (55, 2254408), (65, 1907576), (88, 1409005), (104, 1192235), (106, 1169740), (110, 1127204), (130, 953788), (143, 867080), (212, 584870), (220, 563602), (260, 476894), (265, 467896), (286, 433540), (409, 303160), (424, 292435), (440, 281801), (520, 238447), (530, 233948), (572, 216770), (583, 212680), (689, 179960), (715, 173416), (818, 151580), (1060, 116974), (1144, 108385), (1166, 106340), (1378, 89980), (1430, 86708), (1636, 75790), (2045, 60632), (2120, 58487), (2332, 53170), (2756, 44990), (2860, 43354), (2915, 42536), (3272, 37895), (3445, 35992), (4090, 30316), (4499, 27560), (4664, 26585), (5317, 23320), (5512, 22495), (5720, 21677), (5830, 21268), (6890, 17996), (7579, 16360), (8180, 15158), (8998, 13780), (10634, 11660)]