20180430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9749}}^1$

素因数の和:9785

約数の個数: 48

約数和(自身を含む): 54756000

約数和(自身を除く): 34575570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9749, 19498, 29247, 48745, 58494, 87741, 97490, 146235, 175482, 224227, 292470, 438705, 448454, 672681, 877410, 1121135, 1345362, 2018043, 2242270, 3363405, 4036086, 6726810, 10090215, 20180430]

約数ペア:

[(1, 20180430), (2, 10090215), (3, 6726810), (5, 4036086), (6, 3363405), (9, 2242270), (10, 2018043), (15, 1345362), (18, 1121135), (23, 877410), (30, 672681), (45, 448454), (46, 438705), (69, 292470), (90, 224227), (115, 175482), (138, 146235), (207, 97490), (230, 87741), (345, 58494), (414, 48745), (690, 29247), (1035, 19498), (2070, 9749)]