1648920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 6128640

約数和(自身を除く): 4479720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 151, 156, 168, 182, 195, 210, 260, 273, 280, 302, 312, 364, 390, 420, 453, 455, 520, 546, 604, 728, 755, 780, 840, 906, 910, 1057, 1092, 1208, 1365, 1510, 1560, 1812, 1820, 1963, 2114, 2184, 2265, 2730, 3020, 3171, 3624, 3640, 3926, 4228, 4530, 5285, 5460, 5889, 6040, 6342, 7852, 8456, 9060, 9815, 10570, 10920, 11778, 12684, 13741, 15704, 15855, 18120, 19630, 21140, 23556, 25368, 27482, 29445, 31710, 39260, 41223, 42280, 47112, 54964, 58890, 63420, 68705, 78520, 82446, 109928, 117780, 126840, 137410, 164892, 206115, 235560, 274820, 329784, 412230, 549640, 824460, 1648920]

約数ペア:

[(1, 1648920), (2, 824460), (3, 549640), (4, 412230), (5, 329784), (6, 274820), (7, 235560), (8, 206115), (10, 164892), (12, 137410), (13, 126840), (14, 117780), (15, 109928), (20, 82446), (21, 78520), (24, 68705), (26, 63420), (28, 58890), (30, 54964), (35, 47112), (39, 42280), (40, 41223), (42, 39260), (52, 31710), (56, 29445), (60, 27482), (65, 25368), (70, 23556), (78, 21140), (84, 19630), (91, 18120), (104, 15855), (105, 15704), (120, 13741), (130, 12684), (140, 11778), (151, 10920), (156, 10570), (168, 9815), (182, 9060), (195, 8456), (210, 7852), (260, 6342), (273, 6040), (280, 5889), (302, 5460), (312, 5285), (364, 4530), (390, 4228), (420, 3926), (453, 3640), (455, 3624), (520, 3171), (546, 3020), (604, 2730), (728, 2265), (755, 2184), (780, 2114), (840, 1963), (906, 1820), (910, 1812), (1057, 1560), (1092, 1510), (1208, 1365)]