1261139280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{6997}}^1$

素因数の和:7764

約数の個数: 80

約数和(自身を含む): 3915297024

約数和(自身を除く): 2654157744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 751, 1502, 2253, 3004, 3755, 4506, 6008, 6997, 7510, 9012, 11265, 12016, 13994, 15020, 18024, 20991, 22530, 27988, 30040, 34985, 36048, 41982, 45060, 55976, 60080, 69970, 83964, 90120, 104955, 111952, 139940, 167928, 180240, 209910, 279880, 335856, 419820, 559760, 839640, 1679280, 5254747, 10509494, 15764241, 21018988, 26273735, 31528482, 42037976, 52547470, 63056964, 78821205, 84075952, 105094940, 126113928, 157642410, 210189880, 252227856, 315284820, 420379760, 630569640, 1261139280]

約数ペア:

[(1, 1261139280), (2, 630569640), (3, 420379760), (4, 315284820), (5, 252227856), (6, 210189880), (8, 157642410), (10, 126113928), (12, 105094940), (15, 84075952), (16, 78821205), (20, 63056964), (24, 52547470), (30, 42037976), (40, 31528482), (48, 26273735), (60, 21018988), (80, 15764241), (120, 10509494), (240, 5254747), (751, 1679280), (1502, 839640), (2253, 559760), (3004, 419820), (3755, 335856), (4506, 279880), (6008, 209910), (6997, 180240), (7510, 167928), (9012, 139940), (11265, 111952), (12016, 104955), (13994, 90120), (15020, 83964), (18024, 69970), (20991, 60080), (22530, 55976), (27988, 45060), (30040, 41982), (34985, 36048)]