91180180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 254587536

約数和(自身を除く): 163407356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 421, 442, 455, 476, 490, 595, 637, 833, 842, 884, 910, 980, 1105, 1190, 1274, 1547, 1666, 1684, 1820, 2105, 2210, 2380, 2548, 2947, 3094, 3185, 3332, 4165, 4210, 4420, 5473, 5894, 6188, 6370, 7157, 7735, 8330, 8420, 10829, 10946, 11788, 12740, 14314, 14735, 15470, 16660, 20629, 21658, 21892, 27365, 28628, 29470, 30940, 35785, 38311, 41258, 43316, 50099, 54145, 54730, 58940, 71570, 76622, 82516, 93041, 100198, 103145, 108290, 109460, 143140, 153244, 186082, 191555, 200396, 206290, 216580, 250495, 268177, 350693, 372164, 383110, 412580, 465205, 500990, 536354, 651287, 701386, 766220, 930410, 1001980, 1072708, 1302574, 1340885, 1402772, 1753465, 1860820, 2605148, 2681770, 3256435, 3506930, 4559009, 5363540, 6512870, 7013860, 9118018, 13025740, 18236036, 22795045, 45590090, 91180180]

約数ペア:

[(1, 91180180), (2, 45590090), (4, 22795045), (5, 18236036), (7, 13025740), (10, 9118018), (13, 7013860), (14, 6512870), (17, 5363540), (20, 4559009), (26, 3506930), (28, 3256435), (34, 2681770), (35, 2605148), (49, 1860820), (52, 1753465), (65, 1402772), (68, 1340885), (70, 1302574), (85, 1072708), (91, 1001980), (98, 930410), (119, 766220), (130, 701386), (140, 651287), (170, 536354), (182, 500990), (196, 465205), (221, 412580), (238, 383110), (245, 372164), (260, 350693), (340, 268177), (364, 250495), (421, 216580), (442, 206290), (455, 200396), (476, 191555), (490, 186082), (595, 153244), (637, 143140), (833, 109460), (842, 108290), (884, 103145), (910, 100198), (980, 93041), (1105, 82516), (1190, 76622), (1274, 71570), (1547, 58940), (1666, 54730), (1684, 54145), (1820, 50099), (2105, 43316), (2210, 41258), (2380, 38311), (2548, 35785), (2947, 30940), (3094, 29470), (3185, 28628), (3332, 27365), (4165, 21892), (4210, 21658), (4420, 20629), (5473, 16660), (5894, 15470), (6188, 14735), (6370, 14314), (7157, 12740), (7735, 11788), (8330, 10946), (8420, 10829)]