1618976880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2269}}^1$

素因数の和:3279

約数の個数: 120

約数和(自身を含む): 5444949120

約数和(自身を除く): 3825972240

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, 240, 360, 720, 991, 1982, 2269, 2973, 3964, 4538, 4955, 5946, 6807, 7928, 8919, 9076, 9910, 11345, 11892, 13614, 14865, 15856, 17838, 18152, 19820, 20421, 22690, 23784, 27228, 29730, 34035, 35676, 36304, 39640, 40842, 44595, 45380, 47568, 54456, 59460, 68070, 71352, 79280, 81684, 89190, 90760, 102105, 108912, 118920, 136140, 142704, 163368, 178380, 181520, 204210, 237840, 272280, 326736, 356760, 408420, 544560, 713520, 816840, 1633680, 2248579, 4497158, 6745737, 8994316, 11242895, 13491474, 17988632, 20237211, 22485790, 26982948, 33728685, 35977264, 40474422, 44971580, 53965896, 67457370, 80948844, 89943160, 101186055, 107931792, 134914740, 161897688, 179886320, 202372110, 269829480, 323795376, 404744220, 539658960, 809488440, 1618976880]

約数ペア:

[(1, 1618976880), (2, 809488440), (3, 539658960), (4, 404744220), (5, 323795376), (6, 269829480), (8, 202372110), (9, 179886320), (10, 161897688), (12, 134914740), (15, 107931792), (16, 101186055), (18, 89943160), (20, 80948844), (24, 67457370), (30, 53965896), (36, 44971580), (40, 40474422), (45, 35977264), (48, 33728685), (60, 26982948), (72, 22485790), (80, 20237211), (90, 17988632), (120, 13491474), (144, 11242895), (180, 8994316), (240, 6745737), (360, 4497158), (720, 2248579), (991, 1633680), (1982, 816840), (2269, 713520), (2973, 544560), (3964, 408420), (4538, 356760), (4955, 326736), (5946, 272280), (6807, 237840), (7928, 204210), (8919, 181520), (9076, 178380), (9910, 163368), (11345, 142704), (11892, 136140), (13614, 118920), (14865, 108912), (15856, 102105), (17838, 90760), (18152, 89190), (19820, 81684), (20421, 79280), (22690, 71352), (23784, 68070), (27228, 59460), (29730, 54456), (34035, 47568), (35676, 45380), (36304, 44595), (39640, 40842)]