155352540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1076

約数の個数: 144

約数和(自身を含む): 516069792

約数和(自身を除く): 360717252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 997, 1060, 1113, 1470, 1484, 1590, 1855, 1994, 2226, 2597, 2940, 2991, 3180, 3710, 3988, 4452, 4985, 5194, 5565, 5982, 6979, 7420, 7791, 9970, 10388, 11130, 11964, 12985, 13958, 14955, 15582, 19940, 20937, 22260, 25970, 27916, 29910, 31164, 34895, 38955, 41874, 48853, 51940, 52841, 59820, 69790, 77910, 83748, 97706, 104685, 105682, 139580, 146559, 155820, 158523, 195412, 209370, 211364, 244265, 264205, 293118, 317046, 369887, 418740, 488530, 528410, 586236, 634092, 732795, 739774, 792615, 977060, 1056820, 1109661, 1465590, 1479548, 1585230, 1849435, 2219322, 2589209, 2931180, 3170460, 3698870, 4438644, 5178418, 5548305, 7397740, 7767627, 10356836, 11096610, 12946045, 15535254, 22193220, 25892090, 31070508, 38838135, 51784180, 77676270, 155352540]

約数ペア:

[(1, 155352540), (2, 77676270), (3, 51784180), (4, 38838135), (5, 31070508), (6, 25892090), (7, 22193220), (10, 15535254), (12, 12946045), (14, 11096610), (15, 10356836), (20, 7767627), (21, 7397740), (28, 5548305), (30, 5178418), (35, 4438644), (42, 3698870), (49, 3170460), (53, 2931180), (60, 2589209), (70, 2219322), (84, 1849435), (98, 1585230), (105, 1479548), (106, 1465590), (140, 1109661), (147, 1056820), (159, 977060), (196, 792615), (210, 739774), (212, 732795), (245, 634092), (265, 586236), (294, 528410), (318, 488530), (371, 418740), (420, 369887), (490, 317046), (530, 293118), (588, 264205), (636, 244265), (735, 211364), (742, 209370), (795, 195412), (980, 158523), (997, 155820), (1060, 146559), (1113, 139580), (1470, 105682), (1484, 104685), (1590, 97706), (1855, 83748), (1994, 77910), (2226, 69790), (2597, 59820), (2940, 52841), (2991, 51940), (3180, 48853), (3710, 41874), (3988, 38955), (4452, 34895), (4985, 31164), (5194, 29910), (5565, 27916), (5982, 25970), (6979, 22260), (7420, 20937), (7791, 19940), (9970, 15582), (10388, 14955), (11130, 13958), (11964, 12985)]