262504380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{563}}^1$

素因数の和:1003

約数の個数: 96

約数和(自身を含む): 776966400

約数和(自身を除く): 514462020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 409, 563, 570, 818, 1126, 1140, 1227, 1636, 1689, 2045, 2252, 2454, 2815, 3378, 4090, 4908, 5630, 6135, 6756, 7771, 8180, 8445, 10697, 11260, 12270, 15542, 16890, 21394, 23313, 24540, 31084, 32091, 33780, 38855, 42788, 46626, 53485, 64182, 77710, 93252, 106970, 116565, 128364, 155420, 160455, 213940, 230267, 233130, 320910, 460534, 466260, 641820, 690801, 921068, 1151335, 1381602, 2302670, 2763204, 3454005, 4375073, 4605340, 6908010, 8750146, 13125219, 13816020, 17500292, 21875365, 26250438, 43750730, 52500876, 65626095, 87501460, 131252190, 262504380]

約数ペア:

[(1, 262504380), (2, 131252190), (3, 87501460), (4, 65626095), (5, 52500876), (6, 43750730), (10, 26250438), (12, 21875365), (15, 17500292), (19, 13816020), (20, 13125219), (30, 8750146), (38, 6908010), (57, 4605340), (60, 4375073), (76, 3454005), (95, 2763204), (114, 2302670), (190, 1381602), (228, 1151335), (285, 921068), (380, 690801), (409, 641820), (563, 466260), (570, 460534), (818, 320910), (1126, 233130), (1140, 230267), (1227, 213940), (1636, 160455), (1689, 155420), (2045, 128364), (2252, 116565), (2454, 106970), (2815, 93252), (3378, 77710), (4090, 64182), (4908, 53485), (5630, 46626), (6135, 42788), (6756, 38855), (7771, 33780), (8180, 32091), (8445, 31084), (10697, 24540), (11260, 23313), (12270, 21394), (15542, 16890)]