217164780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 192

約数和(自身を含む): 783713280

約数和(自身を除く): 566548500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 84, 90, 105, 108, 126, 135, 140, 146, 180, 189, 210, 219, 252, 270, 292, 315, 365, 378, 420, 438, 511, 540, 630, 657, 730, 756, 787, 876, 945, 1022, 1095, 1260, 1314, 1460, 1533, 1574, 1890, 1971, 2044, 2190, 2361, 2555, 2628, 3066, 3148, 3285, 3780, 3935, 3942, 4380, 4599, 4722, 5110, 5509, 6132, 6570, 7083, 7665, 7870, 7884, 9198, 9444, 9855, 10220, 11018, 11805, 13140, 13797, 14166, 15330, 15740, 16527, 18396, 19710, 21249, 22036, 22995, 23610, 27545, 27594, 28332, 30660, 33054, 35415, 39420, 42498, 45990, 47220, 49581, 55090, 55188, 57451, 66108, 68985, 70830, 82635, 84996, 91980, 99162, 106245, 110180, 114902, 137970, 141660, 148743, 165270, 172353, 198324, 212490, 229804, 247905, 275940, 287255, 297486, 330540, 344706, 402157, 424980, 495810, 517059, 574510, 594972, 689412, 743715, 804314, 861765, 991620, 1034118, 1149020, 1206471, 1487430, 1551177, 1608628, 1723530, 2010785, 2068236, 2412942, 2585295, 2974860, 3102354, 3447060, 3619413, 4021570, 4825884, 5170590, 6032355, 6204708, 7238826, 7755885, 8043140, 10341180, 10858239, 12064710, 14477652, 15511770, 18097065, 21716478, 24129420, 31023540, 36194130, 43432956, 54291195, 72388260, 108582390, 217164780]

約数ペア:

[(1, 217164780), (2, 108582390), (3, 72388260), (4, 54291195), (5, 43432956), (6, 36194130), (7, 31023540), (9, 24129420), (10, 21716478), (12, 18097065), (14, 15511770), (15, 14477652), (18, 12064710), (20, 10858239), (21, 10341180), (27, 8043140), (28, 7755885), (30, 7238826), (35, 6204708), (36, 6032355), (42, 5170590), (45, 4825884), (54, 4021570), (60, 3619413), (63, 3447060), (70, 3102354), (73, 2974860), (84, 2585295), (90, 2412942), (105, 2068236), (108, 2010785), (126, 1723530), (135, 1608628), (140, 1551177), (146, 1487430), (180, 1206471), (189, 1149020), (210, 1034118), (219, 991620), (252, 861765), (270, 804314), (292, 743715), (315, 689412), (365, 594972), (378, 574510), (420, 517059), (438, 495810), (511, 424980), (540, 402157), (630, 344706), (657, 330540), (730, 297486), (756, 287255), (787, 275940), (876, 247905), (945, 229804), (1022, 212490), (1095, 198324), (1260, 172353), (1314, 165270), (1460, 148743), (1533, 141660), (1574, 137970), (1890, 114902), (1971, 110180), (2044, 106245), (2190, 99162), (2361, 91980), (2555, 84996), (2628, 82635), (3066, 70830), (3148, 68985), (3285, 66108), (3780, 57451), (3935, 55188), (3942, 55090), (4380, 49581), (4599, 47220), (4722, 45990), (5110, 42498), (5509, 39420), (6132, 35415), (6570, 33054), (7083, 30660), (7665, 28332), (7870, 27594), (7884, 27545), (9198, 23610), (9444, 22995), (9855, 22036), (10220, 21249), (11018, 19710), (11805, 18396), (13140, 16527), (13797, 15740), (14166, 15330)]