90688520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 236476800

約数和(自身を除く): 145788280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 67, 76, 95, 104, 130, 134, 137, 152, 190, 247, 260, 268, 274, 335, 380, 494, 520, 536, 548, 670, 685, 760, 871, 988, 1096, 1235, 1273, 1340, 1370, 1742, 1781, 1976, 2470, 2546, 2603, 2680, 2740, 3484, 3562, 4355, 4940, 5092, 5206, 5480, 6365, 6968, 7124, 8710, 8905, 9179, 9880, 10184, 10412, 12730, 13015, 14248, 16549, 17420, 17810, 18358, 20824, 25460, 26030, 33098, 33839, 34840, 35620, 36716, 45895, 50920, 52060, 66196, 67678, 71240, 73432, 82745, 91790, 104120, 119327, 132392, 135356, 165490, 169195, 174401, 183580, 238654, 270712, 330980, 338390, 348802, 367160, 477308, 596635, 661960, 676780, 697604, 872005, 954616, 1193270, 1353560, 1395208, 1744010, 2267213, 2386540, 3488020, 4534426, 4773080, 6976040, 9068852, 11336065, 18137704, 22672130, 45344260, 90688520]

約数ペア:

[(1, 90688520), (2, 45344260), (4, 22672130), (5, 18137704), (8, 11336065), (10, 9068852), (13, 6976040), (19, 4773080), (20, 4534426), (26, 3488020), (38, 2386540), (40, 2267213), (52, 1744010), (65, 1395208), (67, 1353560), (76, 1193270), (95, 954616), (104, 872005), (130, 697604), (134, 676780), (137, 661960), (152, 596635), (190, 477308), (247, 367160), (260, 348802), (268, 338390), (274, 330980), (335, 270712), (380, 238654), (494, 183580), (520, 174401), (536, 169195), (548, 165490), (670, 135356), (685, 132392), (760, 119327), (871, 104120), (988, 91790), (1096, 82745), (1235, 73432), (1273, 71240), (1340, 67678), (1370, 66196), (1742, 52060), (1781, 50920), (1976, 45895), (2470, 36716), (2546, 35620), (2603, 34840), (2680, 33839), (2740, 33098), (3484, 26030), (3562, 25460), (4355, 20824), (4940, 18358), (5092, 17810), (5206, 17420), (5480, 16549), (6365, 14248), (6968, 13015), (7124, 12730), (8710, 10412), (8905, 10184), (9179, 9880)]