64192940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 161949312

約数和(自身を除く): 97756372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2113, 2170, 3038, 4226, 4340, 6076, 7595, 8452, 10565, 14791, 15190, 21130, 29582, 30380, 42260, 59164, 65503, 73955, 103537, 131006, 147910, 207074, 262012, 295820, 327515, 414148, 458521, 517685, 655030, 917042, 1035370, 1310060, 1834084, 2070740, 2292605, 3209647, 4585210, 6419294, 9170420, 12838588, 16048235, 32096470, 64192940]

約数ペア:

[(1, 64192940), (2, 32096470), (4, 16048235), (5, 12838588), (7, 9170420), (10, 6419294), (14, 4585210), (20, 3209647), (28, 2292605), (31, 2070740), (35, 1834084), (49, 1310060), (62, 1035370), (70, 917042), (98, 655030), (124, 517685), (140, 458521), (155, 414148), (196, 327515), (217, 295820), (245, 262012), (310, 207074), (434, 147910), (490, 131006), (620, 103537), (868, 73955), (980, 65503), (1085, 59164), (1519, 42260), (2113, 30380), (2170, 29582), (3038, 21130), (4226, 15190), (4340, 14791), (6076, 10565), (7595, 8452)]