217654740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71129}}^1$

素因数の和:71161

約数の個数: 72

約数和(自身を含む): 699065640

約数和(自身を除く): 481410900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 71129, 142258, 213387, 284516, 355645, 426774, 640161, 711290, 853548, 1066935, 1209193, 1280322, 1422580, 2133870, 2418386, 2560644, 3200805, 3627579, 4267740, 4836772, 6045965, 6401610, 7255158, 10882737, 12091930, 12803220, 14510316, 18137895, 21765474, 24183860, 36275790, 43530948, 54413685, 72551580, 108827370, 217654740]

約数ペア:

[(1, 217654740), (2, 108827370), (3, 72551580), (4, 54413685), (5, 43530948), (6, 36275790), (9, 24183860), (10, 21765474), (12, 18137895), (15, 14510316), (17, 12803220), (18, 12091930), (20, 10882737), (30, 7255158), (34, 6401610), (36, 6045965), (45, 4836772), (51, 4267740), (60, 3627579), (68, 3200805), (85, 2560644), (90, 2418386), (102, 2133870), (153, 1422580), (170, 1280322), (180, 1209193), (204, 1066935), (255, 853548), (306, 711290), (340, 640161), (510, 426774), (612, 355645), (765, 284516), (1020, 213387), (1530, 142258), (3060, 71129)]