648909040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 160

約数和(自身を含む): 1739888640

約数和(自身を除く): 1090979600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 127, 130, 136, 170, 208, 221, 254, 260, 272, 289, 340, 442, 508, 520, 578, 635, 680, 884, 1016, 1040, 1105, 1156, 1270, 1360, 1445, 1651, 1768, 2032, 2159, 2210, 2312, 2540, 2890, 3302, 3536, 3757, 4318, 4420, 4624, 4913, 5080, 5780, 6604, 7514, 8255, 8636, 8840, 9826, 10160, 10795, 11560, 13208, 15028, 16510, 17272, 17680, 18785, 19652, 21590, 23120, 24565, 26416, 28067, 30056, 33020, 34544, 36703, 37570, 39304, 43180, 49130, 56134, 60112, 63869, 66040, 73406, 75140, 78608, 86360, 98260, 112268, 127738, 132080, 140335, 146812, 150280, 172720, 183515, 196520, 224536, 255476, 280670, 293624, 300560, 319345, 367030, 393040, 449072, 477139, 510952, 561340, 587248, 623951, 638690, 734060, 954278, 1021904, 1122680, 1247902, 1277380, 1468120, 1908556, 2245360, 2385695, 2495804, 2554760, 2936240, 3119755, 3817112, 4771390, 4991608, 5109520, 6239510, 7634224, 8111363, 9542780, 9983216, 12479020, 16222726, 19085560, 24958040, 32445452, 38171120, 40556815, 49916080, 64890904, 81113630, 129781808, 162227260, 324454520, 648909040]

約数ペア:

[(1, 648909040), (2, 324454520), (4, 162227260), (5, 129781808), (8, 81113630), (10, 64890904), (13, 49916080), (16, 40556815), (17, 38171120), (20, 32445452), (26, 24958040), (34, 19085560), (40, 16222726), (52, 12479020), (65, 9983216), (68, 9542780), (80, 8111363), (85, 7634224), (104, 6239510), (127, 5109520), (130, 4991608), (136, 4771390), (170, 3817112), (208, 3119755), (221, 2936240), (254, 2554760), (260, 2495804), (272, 2385695), (289, 2245360), (340, 1908556), (442, 1468120), (508, 1277380), (520, 1247902), (578, 1122680), (635, 1021904), (680, 954278), (884, 734060), (1016, 638690), (1040, 623951), (1105, 587248), (1156, 561340), (1270, 510952), (1360, 477139), (1445, 449072), (1651, 393040), (1768, 367030), (2032, 319345), (2159, 300560), (2210, 293624), (2312, 280670), (2540, 255476), (2890, 224536), (3302, 196520), (3536, 183515), (3757, 172720), (4318, 150280), (4420, 146812), (4624, 140335), (4913, 132080), (5080, 127738), (5780, 112268), (6604, 98260), (7514, 86360), (8255, 78608), (8636, 75140), (8840, 73406), (9826, 66040), (10160, 63869), (10795, 60112), (11560, 56134), (13208, 49130), (15028, 43180), (16510, 39304), (17272, 37570), (17680, 36703), (18785, 34544), (19652, 33020), (21590, 30056), (23120, 28067), (24565, 26416)]