155764240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 371226240

約数和(自身を除く): 215462000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 131, 167, 178, 262, 334, 356, 445, 524, 655, 668, 712, 835, 890, 1048, 1310, 1336, 1424, 1670, 1780, 2096, 2620, 2672, 3340, 3560, 5240, 6680, 7120, 10480, 11659, 13360, 14863, 21877, 23318, 29726, 43754, 46636, 58295, 59452, 74315, 87508, 93272, 109385, 116590, 118904, 148630, 175016, 186544, 218770, 233180, 237808, 297260, 350032, 437540, 466360, 594520, 875080, 932720, 1189040, 1750160, 1947053, 3894106, 7788212, 9735265, 15576424, 19470530, 31152848, 38941060, 77882120, 155764240]

約数ペア:

[(1, 155764240), (2, 77882120), (4, 38941060), (5, 31152848), (8, 19470530), (10, 15576424), (16, 9735265), (20, 7788212), (40, 3894106), (80, 1947053), (89, 1750160), (131, 1189040), (167, 932720), (178, 875080), (262, 594520), (334, 466360), (356, 437540), (445, 350032), (524, 297260), (655, 237808), (668, 233180), (712, 218770), (835, 186544), (890, 175016), (1048, 148630), (1310, 118904), (1336, 116590), (1424, 109385), (1670, 93272), (1780, 87508), (2096, 74315), (2620, 59452), (2672, 58295), (3340, 46636), (3560, 43754), (5240, 29726), (6680, 23318), (7120, 21877), (10480, 14863), (11659, 13360)]