81974620

素因数分解:

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

素因数の和:719

約数の個数: 96

約数和(自身を含む): 215123328

約数和(自身を除く): 133148708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 260, 292, 364, 365, 455, 511, 617, 730, 910, 949, 1022, 1234, 1460, 1820, 1898, 2044, 2468, 2555, 3085, 3796, 4319, 4745, 5110, 6170, 6643, 8021, 8638, 9490, 10220, 12340, 13286, 16042, 17276, 18980, 21595, 26572, 32084, 33215, 40105, 43190, 45041, 56147, 66430, 80210, 86380, 90082, 112294, 132860, 160420, 180164, 224588, 225205, 280735, 315287, 450410, 561470, 585533, 630574, 900820, 1122940, 1171066, 1261148, 1576435, 2342132, 2927665, 3152870, 4098731, 5855330, 6305740, 8197462, 11710660, 16394924, 20493655, 40987310, 81974620]

約数ペア:

[(1, 81974620), (2, 40987310), (4, 20493655), (5, 16394924), (7, 11710660), (10, 8197462), (13, 6305740), (14, 5855330), (20, 4098731), (26, 3152870), (28, 2927665), (35, 2342132), (52, 1576435), (65, 1261148), (70, 1171066), (73, 1122940), (91, 900820), (130, 630574), (140, 585533), (146, 561470), (182, 450410), (260, 315287), (292, 280735), (364, 225205), (365, 224588), (455, 180164), (511, 160420), (617, 132860), (730, 112294), (910, 90082), (949, 86380), (1022, 80210), (1234, 66430), (1460, 56147), (1820, 45041), (1898, 43190), (2044, 40105), (2468, 33215), (2555, 32084), (3085, 26572), (3796, 21595), (4319, 18980), (4745, 17276), (5110, 16042), (6170, 13286), (6643, 12340), (8021, 10220), (8638, 9490)]