180826880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10867}}^1$

素因数の和:10901

約数の個数: 72

約数和(自身を含む): 466498032

約数和(自身を除く): 285671152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 10867, 16640, 21734, 43468, 54335, 86936, 108670, 141271, 173872, 217340, 282542, 347744, 434680, 565084, 695488, 706355, 869360, 1130168, 1390976, 1412710, 1738720, 2260336, 2781952, 2825420, 3477440, 4520672, 5650840, 6954880, 9041344, 11301680, 13909760, 18082688, 22603360, 36165376, 45206720, 90413440, 180826880]

約数ペア:

[(1, 180826880), (2, 90413440), (4, 45206720), (5, 36165376), (8, 22603360), (10, 18082688), (13, 13909760), (16, 11301680), (20, 9041344), (26, 6954880), (32, 5650840), (40, 4520672), (52, 3477440), (64, 2825420), (65, 2781952), (80, 2260336), (104, 1738720), (128, 1412710), (130, 1390976), (160, 1130168), (208, 869360), (256, 706355), (260, 695488), (320, 565084), (416, 434680), (520, 347744), (640, 282542), (832, 217340), (1040, 173872), (1280, 141271), (1664, 108670), (2080, 86936), (3328, 54335), (4160, 43468), (8320, 21734), (10867, 16640)]