61633180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 153177696

約数和(自身を除く): 91544516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1031, 1220, 1708, 2062, 2135, 2989, 4124, 4270, 5155, 5978, 7217, 8540, 10310, 11956, 14434, 14945, 20620, 28868, 29890, 36085, 50519, 59780, 62891, 72170, 101038, 125782, 144340, 202076, 251564, 252595, 314455, 440237, 505190, 628910, 880474, 1010380, 1257820, 1760948, 2201185, 3081659, 4402370, 6163318, 8804740, 12326636, 15408295, 30816590, 61633180]

約数ペア:

[(1, 61633180), (2, 30816590), (4, 15408295), (5, 12326636), (7, 8804740), (10, 6163318), (14, 4402370), (20, 3081659), (28, 2201185), (35, 1760948), (49, 1257820), (61, 1010380), (70, 880474), (98, 628910), (122, 505190), (140, 440237), (196, 314455), (244, 252595), (245, 251564), (305, 202076), (427, 144340), (490, 125782), (610, 101038), (854, 72170), (980, 62891), (1031, 59780), (1220, 50519), (1708, 36085), (2062, 29890), (2135, 28868), (2989, 20620), (4124, 14945), (4270, 14434), (5155, 11956), (5978, 10310), (7217, 8540)]