91990640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:815

約数の個数: 120

約数和(自身を含む): 257162112

約数和(自身を除く): 165171472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 757, 784, 868, 980, 1085, 1240, 1514, 1519, 1736, 1960, 2170, 2480, 3028, 3038, 3472, 3785, 3920, 4340, 5299, 6056, 6076, 7570, 7595, 8680, 10598, 12112, 12152, 15140, 15190, 17360, 21196, 23467, 24304, 26495, 30280, 30380, 37093, 42392, 46934, 52990, 60560, 60760, 74186, 84784, 93868, 105980, 117335, 121520, 148372, 164269, 185465, 187736, 211960, 234670, 296744, 328538, 370930, 375472, 423920, 469340, 593488, 657076, 741860, 821345, 938680, 1149883, 1314152, 1483720, 1642690, 1877360, 2299766, 2628304, 2967440, 3285380, 4599532, 5749415, 6570760, 9199064, 11498830, 13141520, 18398128, 22997660, 45995320, 91990640]

約数ペア:

[(1, 91990640), (2, 45995320), (4, 22997660), (5, 18398128), (7, 13141520), (8, 11498830), (10, 9199064), (14, 6570760), (16, 5749415), (20, 4599532), (28, 3285380), (31, 2967440), (35, 2628304), (40, 2299766), (49, 1877360), (56, 1642690), (62, 1483720), (70, 1314152), (80, 1149883), (98, 938680), (112, 821345), (124, 741860), (140, 657076), (155, 593488), (196, 469340), (217, 423920), (245, 375472), (248, 370930), (280, 328538), (310, 296744), (392, 234670), (434, 211960), (490, 187736), (496, 185465), (560, 164269), (620, 148372), (757, 121520), (784, 117335), (868, 105980), (980, 93868), (1085, 84784), (1240, 74186), (1514, 60760), (1519, 60560), (1736, 52990), (1960, 46934), (2170, 42392), (2480, 37093), (3028, 30380), (3038, 30280), (3472, 26495), (3785, 24304), (3920, 23467), (4340, 21196), (5299, 17360), (6056, 15190), (6076, 15140), (7570, 12152), (7595, 12112), (8680, 10598)]