128385880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2169

約数の個数: 96

約数和(自身を含む): 347034240

約数和(自身を除く): 218648360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1519, 1736, 1960, 2113, 2170, 3038, 4226, 4340, 6076, 7595, 8452, 8680, 10565, 12152, 14791, 15190, 16904, 21130, 29582, 30380, 42260, 59164, 60760, 65503, 73955, 84520, 103537, 118328, 131006, 147910, 207074, 262012, 295820, 327515, 414148, 458521, 517685, 524024, 591640, 655030, 828296, 917042, 1035370, 1310060, 1834084, 2070740, 2292605, 2620120, 3209647, 3668168, 4141480, 4585210, 6419294, 9170420, 12838588, 16048235, 18340840, 25677176, 32096470, 64192940, 128385880]

約数ペア:

[(1, 128385880), (2, 64192940), (4, 32096470), (5, 25677176), (7, 18340840), (8, 16048235), (10, 12838588), (14, 9170420), (20, 6419294), (28, 4585210), (31, 4141480), (35, 3668168), (40, 3209647), (49, 2620120), (56, 2292605), (62, 2070740), (70, 1834084), (98, 1310060), (124, 1035370), (140, 917042), (155, 828296), (196, 655030), (217, 591640), (245, 524024), (248, 517685), (280, 458521), (310, 414148), (392, 327515), (434, 295820), (490, 262012), (620, 207074), (868, 147910), (980, 131006), (1085, 118328), (1240, 103537), (1519, 84520), (1736, 73955), (1960, 65503), (2113, 60760), (2170, 59164), (3038, 42260), (4226, 30380), (4340, 29582), (6076, 21130), (7595, 16904), (8452, 15190), (8680, 14791), (10565, 12152)]