163949240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 460978560

約数和(自身を除く): 297029320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 617, 728, 730, 910, 949, 1022, 1234, 1460, 1820, 1898, 2044, 2468, 2555, 2920, 3085, 3640, 3796, 4088, 4319, 4745, 4936, 5110, 6170, 6643, 7592, 8021, 8638, 9490, 10220, 12340, 13286, 16042, 17276, 18980, 20440, 21595, 24680, 26572, 32084, 33215, 34552, 37960, 40105, 43190, 45041, 53144, 56147, 64168, 66430, 80210, 86380, 90082, 112294, 132860, 160420, 172760, 180164, 224588, 225205, 265720, 280735, 315287, 320840, 360328, 449176, 450410, 561470, 585533, 630574, 900820, 1122940, 1171066, 1261148, 1576435, 1801640, 2245880, 2342132, 2522296, 2927665, 3152870, 4098731, 4684264, 5855330, 6305740, 8197462, 11710660, 12611480, 16394924, 20493655, 23421320, 32789848, 40987310, 81974620, 163949240]

約数ペア:

[(1, 163949240), (2, 81974620), (4, 40987310), (5, 32789848), (7, 23421320), (8, 20493655), (10, 16394924), (13, 12611480), (14, 11710660), (20, 8197462), (26, 6305740), (28, 5855330), (35, 4684264), (40, 4098731), (52, 3152870), (56, 2927665), (65, 2522296), (70, 2342132), (73, 2245880), (91, 1801640), (104, 1576435), (130, 1261148), (140, 1171066), (146, 1122940), (182, 900820), (260, 630574), (280, 585533), (292, 561470), (364, 450410), (365, 449176), (455, 360328), (511, 320840), (520, 315287), (584, 280735), (617, 265720), (728, 225205), (730, 224588), (910, 180164), (949, 172760), (1022, 160420), (1234, 132860), (1460, 112294), (1820, 90082), (1898, 86380), (2044, 80210), (2468, 66430), (2555, 64168), (2920, 56147), (3085, 53144), (3640, 45041), (3796, 43190), (4088, 40105), (4319, 37960), (4745, 34552), (4936, 33215), (5110, 32084), (6170, 26572), (6643, 24680), (7592, 21595), (8021, 20440), (8638, 18980), (9490, 17276), (10220, 16042), (12340, 13286)]