1528996980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{520067}}^1$

素因数の和:520093

約数の個数: 72

約数和(自身を含む): 4980171168

約数和(自身を除く): 3451174188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 520067, 1040134, 1560201, 2080268, 2600335, 3120402, 3640469, 5200670, 6240804, 7280938, 7801005, 10401340, 10921407, 14561876, 15602010, 18202345, 21842814, 25483283, 31204020, 36404690, 43685628, 50966566, 54607035, 72809380, 76449849, 101933132, 109214070, 127416415, 152899698, 218428140, 254832830, 305799396, 382249245, 509665660, 764498490, 1528996980]

約数ペア:

[(1, 1528996980), (2, 764498490), (3, 509665660), (4, 382249245), (5, 305799396), (6, 254832830), (7, 218428140), (10, 152899698), (12, 127416415), (14, 109214070), (15, 101933132), (20, 76449849), (21, 72809380), (28, 54607035), (30, 50966566), (35, 43685628), (42, 36404690), (49, 31204020), (60, 25483283), (70, 21842814), (84, 18202345), (98, 15602010), (105, 14561876), (140, 10921407), (147, 10401340), (196, 7801005), (210, 7280938), (245, 6240804), (294, 5200670), (420, 3640469), (490, 3120402), (588, 2600335), (735, 2080268), (980, 1560201), (1470, 1040134), (2940, 520067)]