80707340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 201398400

約数和(自身を除く): 120691060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 73, 106, 140, 146, 149, 212, 265, 292, 298, 365, 371, 511, 530, 596, 730, 742, 745, 1022, 1043, 1060, 1460, 1484, 1490, 1855, 2044, 2086, 2555, 2980, 3710, 3869, 4172, 5110, 5215, 7420, 7738, 7897, 10220, 10430, 10877, 15476, 15794, 19345, 20860, 21754, 27083, 31588, 38690, 39485, 43508, 54166, 54385, 55279, 76139, 77380, 78970, 108332, 108770, 110558, 135415, 152278, 157940, 217540, 221116, 270830, 276395, 304556, 380695, 541660, 552790, 576481, 761390, 1105580, 1152962, 1522780, 2305924, 2882405, 4035367, 5764810, 8070734, 11529620, 16141468, 20176835, 40353670, 80707340]

約数ペア:

[(1, 80707340), (2, 40353670), (4, 20176835), (5, 16141468), (7, 11529620), (10, 8070734), (14, 5764810), (20, 4035367), (28, 2882405), (35, 2305924), (53, 1522780), (70, 1152962), (73, 1105580), (106, 761390), (140, 576481), (146, 552790), (149, 541660), (212, 380695), (265, 304556), (292, 276395), (298, 270830), (365, 221116), (371, 217540), (511, 157940), (530, 152278), (596, 135415), (730, 110558), (742, 108770), (745, 108332), (1022, 78970), (1043, 77380), (1060, 76139), (1460, 55279), (1484, 54385), (1490, 54166), (1855, 43508), (2044, 39485), (2086, 38690), (2555, 31588), (2980, 27083), (3710, 21754), (3869, 20860), (4172, 19345), (5110, 15794), (5215, 15476), (7420, 10877), (7738, 10430), (7897, 10220)]