77426440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 140301560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 239, 260, 280, 356, 364, 445, 455, 478, 520, 623, 712, 728, 890, 910, 956, 1157, 1195, 1246, 1673, 1780, 1820, 1912, 2314, 2390, 2492, 3107, 3115, 3346, 3560, 3640, 4628, 4780, 4984, 5785, 6214, 6230, 6692, 8099, 8365, 9256, 9560, 11570, 12428, 12460, 13384, 15535, 16198, 16730, 21271, 21749, 23140, 24856, 24920, 31070, 32396, 33460, 40495, 42542, 43498, 46280, 62140, 64792, 66920, 80990, 85084, 86996, 106355, 108745, 124280, 148897, 161980, 170168, 173992, 212710, 217490, 276523, 297794, 323960, 425420, 434980, 553046, 595588, 744485, 850840, 869960, 1106092, 1191176, 1382615, 1488970, 1935661, 2212184, 2765230, 2977940, 3871322, 5530460, 5955880, 7742644, 9678305, 11060920, 15485288, 19356610, 38713220, 77426440]

約数ペア:

[(1, 77426440), (2, 38713220), (4, 19356610), (5, 15485288), (7, 11060920), (8, 9678305), (10, 7742644), (13, 5955880), (14, 5530460), (20, 3871322), (26, 2977940), (28, 2765230), (35, 2212184), (40, 1935661), (52, 1488970), (56, 1382615), (65, 1191176), (70, 1106092), (89, 869960), (91, 850840), (104, 744485), (130, 595588), (140, 553046), (178, 434980), (182, 425420), (239, 323960), (260, 297794), (280, 276523), (356, 217490), (364, 212710), (445, 173992), (455, 170168), (478, 161980), (520, 148897), (623, 124280), (712, 108745), (728, 106355), (890, 86996), (910, 85084), (956, 80990), (1157, 66920), (1195, 64792), (1246, 62140), (1673, 46280), (1780, 43498), (1820, 42542), (1912, 40495), (2314, 33460), (2390, 32396), (2492, 31070), (3107, 24920), (3115, 24856), (3346, 23140), (3560, 21749), (3640, 21271), (4628, 16730), (4780, 16198), (4984, 15535), (5785, 13384), (6214, 12460), (6230, 12428), (6692, 11570), (8099, 9560), (8365, 9256)]