12972260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 33331200

約数和(自身を除く): 20358940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 61, 62, 70, 98, 122, 124, 140, 155, 196, 217, 244, 245, 305, 310, 343, 427, 434, 490, 610, 620, 686, 854, 868, 980, 1085, 1220, 1372, 1519, 1708, 1715, 1891, 2135, 2170, 2989, 3038, 3430, 3782, 4270, 4340, 5978, 6076, 6860, 7564, 7595, 8540, 9455, 10633, 11956, 13237, 14945, 15190, 18910, 20923, 21266, 26474, 29890, 30380, 37820, 41846, 42532, 52948, 53165, 59780, 66185, 83692, 92659, 104615, 106330, 132370, 185318, 209230, 212660, 264740, 370636, 418460, 463295, 648613, 926590, 1297226, 1853180, 2594452, 3243065, 6486130, 12972260]

約数ペア:

[(1, 12972260), (2, 6486130), (4, 3243065), (5, 2594452), (7, 1853180), (10, 1297226), (14, 926590), (20, 648613), (28, 463295), (31, 418460), (35, 370636), (49, 264740), (61, 212660), (62, 209230), (70, 185318), (98, 132370), (122, 106330), (124, 104615), (140, 92659), (155, 83692), (196, 66185), (217, 59780), (244, 53165), (245, 52948), (305, 42532), (310, 41846), (343, 37820), (427, 30380), (434, 29890), (490, 26474), (610, 21266), (620, 20923), (686, 18910), (854, 15190), (868, 14945), (980, 13237), (1085, 11956), (1220, 10633), (1372, 9455), (1519, 8540), (1708, 7595), (1715, 7564), (1891, 6860), (2135, 6076), (2170, 5978), (2989, 4340), (3038, 4270), (3430, 3782)]