123518220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{42013}}^1$

素因数の和:42039

約数の個数: 72

約数和(自身を含む): 402326064

約数和(自身を除く): 278807844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 42013, 84026, 126039, 168052, 210065, 252078, 294091, 420130, 504156, 588182, 630195, 840260, 882273, 1176364, 1260390, 1470455, 1764546, 2058637, 2520780, 2940910, 3529092, 4117274, 4411365, 5881820, 6175911, 8234548, 8822730, 10293185, 12351822, 17645460, 20586370, 24703644, 30879555, 41172740, 61759110, 123518220]

約数ペア:

[(1, 123518220), (2, 61759110), (3, 41172740), (4, 30879555), (5, 24703644), (6, 20586370), (7, 17645460), (10, 12351822), (12, 10293185), (14, 8822730), (15, 8234548), (20, 6175911), (21, 5881820), (28, 4411365), (30, 4117274), (35, 3529092), (42, 2940910), (49, 2520780), (60, 2058637), (70, 1764546), (84, 1470455), (98, 1260390), (105, 1176364), (140, 882273), (147, 840260), (196, 630195), (210, 588182), (245, 504156), (294, 420130), (420, 294091), (490, 252078), (588, 210065), (735, 168052), (980, 126039), (1470, 84026), (2940, 42013)]