18487560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 68302080

約数和(自身を除く): 49814520

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, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1693, 1820, 2184, 2730, 3386, 3640, 5079, 5460, 6772, 8465, 10158, 10920, 11851, 13544, 16930, 20316, 22009, 23702, 25395, 33860, 35553, 40632, 44018, 47404, 50790, 59255, 66027, 67720, 71106, 88036, 94808, 101580, 110045, 118510, 132054, 142212, 154063, 176072, 177765, 203160, 220090, 237020, 264108, 284424, 308126, 330135, 355530, 440180, 462189, 474040, 528216, 616252, 660270, 711060, 770315, 880360, 924378, 1232504, 1320540, 1422120, 1540630, 1848756, 2310945, 2641080, 3081260, 3697512, 4621890, 6162520, 9243780, 18487560]

約数ペア:

[(1, 18487560), (2, 9243780), (3, 6162520), (4, 4621890), (5, 3697512), (6, 3081260), (7, 2641080), (8, 2310945), (10, 1848756), (12, 1540630), (13, 1422120), (14, 1320540), (15, 1232504), (20, 924378), (21, 880360), (24, 770315), (26, 711060), (28, 660270), (30, 616252), (35, 528216), (39, 474040), (40, 462189), (42, 440180), (52, 355530), (56, 330135), (60, 308126), (65, 284424), (70, 264108), (78, 237020), (84, 220090), (91, 203160), (104, 177765), (105, 176072), (120, 154063), (130, 142212), (140, 132054), (156, 118510), (168, 110045), (182, 101580), (195, 94808), (210, 88036), (260, 71106), (273, 67720), (280, 66027), (312, 59255), (364, 50790), (390, 47404), (420, 44018), (455, 40632), (520, 35553), (546, 33860), (728, 25395), (780, 23702), (840, 22009), (910, 20316), (1092, 16930), (1365, 13544), (1560, 11851), (1693, 10920), (1820, 10158), (2184, 8465), (2730, 6772), (3386, 5460), (3640, 5079)]