2780453025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{37561}}^1$

素因数の和:37631

約数の個数: 72

約数和(自身を含む): 5812794624

約数和(自身を除く): 3032341599

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 705, 987, 1175, 1575, 1645, 2115, 2961, 3525, 4935, 8225, 10575, 14805, 24675, 37561, 74025, 112683, 187805, 262927, 338049, 563415, 788781, 939025, 1314635, 1690245, 1765367, 2366343, 2817075, 3943905, 5296101, 6573175, 8451225, 8826835, 11831715, 12357569, 15888303, 19719525, 26480505, 37072707, 44134175, 59158575, 61787845, 79441515, 111218121, 132402525, 185363535, 308939225, 397207575, 556090605, 926817675, 2780453025]

約数ペア:

[(1, 2780453025), (3, 926817675), (5, 556090605), (7, 397207575), (9, 308939225), (15, 185363535), (21, 132402525), (25, 111218121), (35, 79441515), (45, 61787845), (47, 59158575), (63, 44134175), (75, 37072707), (105, 26480505), (141, 19719525), (175, 15888303), (225, 12357569), (235, 11831715), (315, 8826835), (329, 8451225), (423, 6573175), (525, 5296101), (705, 3943905), (987, 2817075), (1175, 2366343), (1575, 1765367), (1645, 1690245), (2115, 1314635), (2961, 939025), (3525, 788781), (4935, 563415), (8225, 338049), (10575, 262927), (14805, 187805), (24675, 112683), (37561, 74025)]