20180100465

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1733}}^1\times {\mathrm{5281}}^1$

素因数の和:7039

約数の個数: 72

約数和(自身を含む): 40720860648

約数和(自身を除く): 20540760183

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 1733, 2205, 5199, 5281, 8665, 12131, 15597, 15843, 25995, 26405, 36393, 36967, 47529, 60655, 77985, 79215, 84917, 109179, 110901, 181965, 184835, 237645, 254751, 258769, 332703, 424585, 545895, 554505, 764253, 776307, 1273755, 1293845, 1663515, 2328921, 3821265, 3881535, 9151973, 11644605, 27455919, 45759865, 64063811, 82367757, 137279595, 192191433, 320319055, 411838785, 448446677, 576574299, 960957165, 1345340031, 2242233385, 2882871495, 4036020093, 6726700155, 20180100465]

約数ペア:

[(1, 20180100465), (3, 6726700155), (5, 4036020093), (7, 2882871495), (9, 2242233385), (15, 1345340031), (21, 960957165), (35, 576574299), (45, 448446677), (49, 411838785), (63, 320319055), (105, 192191433), (147, 137279595), (245, 82367757), (315, 64063811), (441, 45759865), (735, 27455919), (1733, 11644605), (2205, 9151973), (5199, 3881535), (5281, 3821265), (8665, 2328921), (12131, 1663515), (15597, 1293845), (15843, 1273755), (25995, 776307), (26405, 764253), (36393, 554505), (36967, 545895), (47529, 424585), (60655, 332703), (77985, 258769), (79215, 254751), (84917, 237645), (109179, 184835), (110901, 181965)]