277483920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 988032000

約数和(自身を除く): 710548080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 331, 336, 420, 499, 560, 662, 840, 993, 998, 1324, 1497, 1655, 1680, 1986, 1996, 2317, 2495, 2648, 2994, 3310, 3493, 3972, 3992, 4634, 4965, 4990, 5296, 5988, 6620, 6951, 6986, 7485, 7944, 7984, 9268, 9930, 9980, 10479, 11585, 11976, 13240, 13902, 13972, 14970, 15888, 17465, 18536, 19860, 19960, 20958, 23170, 23952, 26480, 27804, 27944, 29940, 34755, 34930, 37072, 39720, 39920, 41916, 46340, 52395, 55608, 55888, 59880, 69510, 69860, 79440, 83832, 92680, 104790, 111216, 119760, 139020, 139720, 165169, 167664, 185360, 209580, 278040, 279440, 330338, 419160, 495507, 556080, 660676, 825845, 838320, 991014, 1156183, 1321352, 1651690, 1982028, 2312366, 2477535, 2642704, 3303380, 3468549, 3964056, 4624732, 4955070, 5780915, 6606760, 6937098, 7928112, 9249464, 9910140, 11561830, 13213520, 13874196, 17342745, 18498928, 19820280, 23123660, 27748392, 34685490, 39640560, 46247320, 55496784, 69370980, 92494640, 138741960, 277483920]

約数ペア:

[(1, 277483920), (2, 138741960), (3, 92494640), (4, 69370980), (5, 55496784), (6, 46247320), (7, 39640560), (8, 34685490), (10, 27748392), (12, 23123660), (14, 19820280), (15, 18498928), (16, 17342745), (20, 13874196), (21, 13213520), (24, 11561830), (28, 9910140), (30, 9249464), (35, 7928112), (40, 6937098), (42, 6606760), (48, 5780915), (56, 4955070), (60, 4624732), (70, 3964056), (80, 3468549), (84, 3303380), (105, 2642704), (112, 2477535), (120, 2312366), (140, 1982028), (168, 1651690), (210, 1321352), (240, 1156183), (280, 991014), (331, 838320), (336, 825845), (420, 660676), (499, 556080), (560, 495507), (662, 419160), (840, 330338), (993, 279440), (998, 278040), (1324, 209580), (1497, 185360), (1655, 167664), (1680, 165169), (1986, 139720), (1996, 139020), (2317, 119760), (2495, 111216), (2648, 104790), (2994, 92680), (3310, 83832), (3493, 79440), (3972, 69860), (3992, 69510), (4634, 59880), (4965, 55888), (4990, 55608), (5296, 52395), (5988, 46340), (6620, 41916), (6951, 39920), (6986, 39720), (7485, 37072), (7944, 34930), (7984, 34755), (9268, 29940), (9930, 27944), (9980, 27804), (10479, 26480), (11585, 23952), (11976, 23170), (13240, 20958), (13902, 19960), (13972, 19860), (14970, 18536), (15888, 17465)]