20107380240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{141761}}^1$

素因数の和:141977

約数の個数: 120

約数和(自身を含む): 67870542168

約数和(自身を除く): 47763161928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 197, 240, 360, 394, 591, 720, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3152, 3546, 3940, 4728, 5910, 7092, 7880, 8865, 9456, 11820, 14184, 15760, 17730, 23640, 28368, 35460, 47280, 70920, 141761, 141840, 283522, 425283, 567044, 708805, 850566, 1134088, 1275849, 1417610, 1701132, 2126415, 2268176, 2551698, 2835220, 3402264, 4252830, 5103396, 5670440, 6379245, 6804528, 8505660, 10206792, 11340880, 12758490, 17011320, 20413584, 25516980, 27926917, 34022640, 51033960, 55853834, 83780751, 102067920, 111707668, 139634585, 167561502, 223415336, 251342253, 279269170, 335123004, 418903755, 446830672, 502684506, 558538340, 670246008, 837807510, 1005369012, 1117076680, 1256711265, 1340492016, 1675615020, 2010738024, 2234153360, 2513422530, 3351230040, 4021476048, 5026845060, 6702460080, 10053690120, 20107380240]

約数ペア:

[(1, 20107380240), (2, 10053690120), (3, 6702460080), (4, 5026845060), (5, 4021476048), (6, 3351230040), (8, 2513422530), (9, 2234153360), (10, 2010738024), (12, 1675615020), (15, 1340492016), (16, 1256711265), (18, 1117076680), (20, 1005369012), (24, 837807510), (30, 670246008), (36, 558538340), (40, 502684506), (45, 446830672), (48, 418903755), (60, 335123004), (72, 279269170), (80, 251342253), (90, 223415336), (120, 167561502), (144, 139634585), (180, 111707668), (197, 102067920), (240, 83780751), (360, 55853834), (394, 51033960), (591, 34022640), (720, 27926917), (788, 25516980), (985, 20413584), (1182, 17011320), (1576, 12758490), (1773, 11340880), (1970, 10206792), (2364, 8505660), (2955, 6804528), (3152, 6379245), (3546, 5670440), (3940, 5103396), (4728, 4252830), (5910, 3402264), (7092, 2835220), (7880, 2551698), (8865, 2268176), (9456, 2126415), (11820, 1701132), (14184, 1417610), (15760, 1275849), (17730, 1134088), (23640, 850566), (28368, 708805), (35460, 567044), (47280, 425283), (70920, 283522), (141761, 141840)]