1008420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^5$

素因数の和:47

約数の個数: 72

約数和(自身を含む): 3294144

約数和(自身を除く): 2285724

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, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2401, 2940, 3430, 4116, 4802, 5145, 6860, 7203, 9604, 10290, 12005, 14406, 16807, 20580, 24010, 28812, 33614, 36015, 48020, 50421, 67228, 72030, 84035, 100842, 144060, 168070, 201684, 252105, 336140, 504210, 1008420]

約数ペア:

[(1, 1008420), (2, 504210), (3, 336140), (4, 252105), (5, 201684), (6, 168070), (7, 144060), (10, 100842), (12, 84035), (14, 72030), (15, 67228), (20, 50421), (21, 48020), (28, 36015), (30, 33614), (35, 28812), (42, 24010), (49, 20580), (60, 16807), (70, 14406), (84, 12005), (98, 10290), (105, 9604), (140, 7203), (147, 6860), (196, 5145), (210, 4802), (245, 4116), (294, 3430), (343, 2940), (420, 2401), (490, 2058), (588, 1715), (686, 1470), (735, 1372), (980, 1029)]