647707620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{12143}}^1$

素因数の和:12289

約数の個数: 96

約数和(自身を含む): 2089156608

約数和(自身を除く): 1441448988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 127, 140, 210, 254, 381, 420, 508, 635, 762, 889, 1270, 1524, 1778, 1905, 2540, 2667, 3556, 3810, 4445, 5334, 7620, 8890, 10668, 12143, 13335, 17780, 24286, 26670, 36429, 48572, 53340, 60715, 72858, 85001, 121430, 145716, 170002, 182145, 242860, 255003, 340004, 364290, 425005, 510006, 728580, 850010, 1020012, 1275015, 1542161, 1700020, 2550030, 3084322, 4626483, 5100060, 6168644, 7710805, 9252966, 10795127, 15421610, 18505932, 21590254, 23132415, 30843220, 32385381, 43180508, 46264830, 53975635, 64770762, 92529660, 107951270, 129541524, 161926905, 215902540, 323853810, 647707620]

約数ペア:

[(1, 647707620), (2, 323853810), (3, 215902540), (4, 161926905), (5, 129541524), (6, 107951270), (7, 92529660), (10, 64770762), (12, 53975635), (14, 46264830), (15, 43180508), (20, 32385381), (21, 30843220), (28, 23132415), (30, 21590254), (35, 18505932), (42, 15421610), (60, 10795127), (70, 9252966), (84, 7710805), (105, 6168644), (127, 5100060), (140, 4626483), (210, 3084322), (254, 2550030), (381, 1700020), (420, 1542161), (508, 1275015), (635, 1020012), (762, 850010), (889, 728580), (1270, 510006), (1524, 425005), (1778, 364290), (1905, 340004), (2540, 255003), (2667, 242860), (3556, 182145), (3810, 170002), (4445, 145716), (5334, 121430), (7620, 85001), (8890, 72858), (10668, 60715), (12143, 53340), (13335, 48572), (17780, 36429), (24286, 26670)]