85681820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 213319680

約数和(自身を除く): 127637860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 79, 122, 127, 140, 158, 244, 254, 305, 316, 395, 427, 508, 553, 610, 635, 790, 854, 889, 1106, 1220, 1270, 1580, 1708, 1778, 2135, 2212, 2540, 2765, 3556, 4270, 4445, 4819, 5530, 7747, 8540, 8890, 9638, 10033, 11060, 15494, 17780, 19276, 20066, 24095, 30988, 33733, 38735, 40132, 48190, 50165, 54229, 67466, 70231, 77470, 96380, 100330, 108458, 134932, 140462, 154940, 168665, 200660, 216916, 271145, 280924, 337330, 351155, 542290, 612013, 674660, 702310, 1084580, 1224026, 1404620, 2448052, 3060065, 4284091, 6120130, 8568182, 12240260, 17136364, 21420455, 42840910, 85681820]

約数ペア:

[(1, 85681820), (2, 42840910), (4, 21420455), (5, 17136364), (7, 12240260), (10, 8568182), (14, 6120130), (20, 4284091), (28, 3060065), (35, 2448052), (61, 1404620), (70, 1224026), (79, 1084580), (122, 702310), (127, 674660), (140, 612013), (158, 542290), (244, 351155), (254, 337330), (305, 280924), (316, 271145), (395, 216916), (427, 200660), (508, 168665), (553, 154940), (610, 140462), (635, 134932), (790, 108458), (854, 100330), (889, 96380), (1106, 77470), (1220, 70231), (1270, 67466), (1580, 54229), (1708, 50165), (1778, 48190), (2135, 40132), (2212, 38735), (2540, 33733), (2765, 30988), (3556, 24095), (4270, 20066), (4445, 19276), (4819, 17780), (5530, 15494), (7747, 11060), (8540, 10033), (8890, 9638)]