220969840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 639959040

約数和(自身を除く): 418989200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 127, 130, 140, 182, 208, 239, 254, 260, 280, 364, 455, 478, 508, 520, 560, 635, 728, 889, 910, 956, 1016, 1040, 1195, 1270, 1456, 1651, 1673, 1778, 1820, 1912, 2032, 2390, 2540, 3107, 3302, 3346, 3556, 3640, 3824, 4445, 4780, 5080, 6214, 6604, 6692, 7112, 7280, 8255, 8365, 8890, 9560, 10160, 11557, 12428, 13208, 13384, 14224, 15535, 16510, 16730, 17780, 19120, 21749, 23114, 24856, 26416, 26768, 30353, 31070, 33020, 33460, 35560, 43498, 46228, 49712, 57785, 60706, 62140, 66040, 66920, 71120, 86996, 92456, 108745, 115570, 121412, 124280, 132080, 133840, 151765, 173992, 184912, 212471, 217490, 231140, 242824, 248560, 303530, 347984, 394589, 424942, 434980, 462280, 485648, 607060, 789178, 849884, 869960, 924560, 1062355, 1214120, 1578356, 1699768, 1739920, 1972945, 2124710, 2428240, 2762123, 3156712, 3399536, 3945890, 4249420, 5524246, 6313424, 7891780, 8498840, 11048492, 13810615, 15783560, 16997680, 22096984, 27621230, 31567120, 44193968, 55242460, 110484920, 220969840]

約数ペア:

[(1, 220969840), (2, 110484920), (4, 55242460), (5, 44193968), (7, 31567120), (8, 27621230), (10, 22096984), (13, 16997680), (14, 15783560), (16, 13810615), (20, 11048492), (26, 8498840), (28, 7891780), (35, 6313424), (40, 5524246), (52, 4249420), (56, 3945890), (65, 3399536), (70, 3156712), (80, 2762123), (91, 2428240), (104, 2124710), (112, 1972945), (127, 1739920), (130, 1699768), (140, 1578356), (182, 1214120), (208, 1062355), (239, 924560), (254, 869960), (260, 849884), (280, 789178), (364, 607060), (455, 485648), (478, 462280), (508, 434980), (520, 424942), (560, 394589), (635, 347984), (728, 303530), (889, 248560), (910, 242824), (956, 231140), (1016, 217490), (1040, 212471), (1195, 184912), (1270, 173992), (1456, 151765), (1651, 133840), (1673, 132080), (1778, 124280), (1820, 121412), (1912, 115570), (2032, 108745), (2390, 92456), (2540, 86996), (3107, 71120), (3302, 66920), (3346, 66040), (3556, 62140), (3640, 60706), (3824, 57785), (4445, 49712), (4780, 46228), (5080, 43498), (6214, 35560), (6604, 33460), (6692, 33020), (7112, 31070), (7280, 30353), (8255, 26768), (8365, 26416), (8890, 24856), (9560, 23114), (10160, 21749), (11557, 19120), (12428, 17780), (13208, 16730), (13384, 16510), (14224, 15535)]