1396720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 3749760

約数和(自身を除く): 2353040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 79, 80, 85, 104, 130, 136, 158, 170, 208, 221, 260, 272, 316, 340, 395, 442, 520, 632, 680, 790, 884, 1027, 1040, 1105, 1264, 1343, 1360, 1580, 1768, 2054, 2210, 2686, 3160, 3536, 4108, 4420, 5135, 5372, 6320, 6715, 8216, 8840, 10270, 10744, 13430, 16432, 17459, 17680, 20540, 21488, 26860, 34918, 41080, 53720, 69836, 82160, 87295, 107440, 139672, 174590, 279344, 349180, 698360, 1396720]

約数ペア:

[(1, 1396720), (2, 698360), (4, 349180), (5, 279344), (8, 174590), (10, 139672), (13, 107440), (16, 87295), (17, 82160), (20, 69836), (26, 53720), (34, 41080), (40, 34918), (52, 26860), (65, 21488), (68, 20540), (79, 17680), (80, 17459), (85, 16432), (104, 13430), (130, 10744), (136, 10270), (158, 8840), (170, 8216), (208, 6715), (221, 6320), (260, 5372), (272, 5135), (316, 4420), (340, 4108), (395, 3536), (442, 3160), (520, 2686), (632, 2210), (680, 2054), (790, 1768), (884, 1580), (1027, 1360), (1040, 1343), (1105, 1264)]