68547820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 178375680

約数和(自身を除く): 109827860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 31, 38, 44, 46, 55, 62, 76, 92, 95, 110, 115, 124, 155, 190, 209, 220, 230, 253, 310, 341, 380, 418, 437, 460, 506, 529, 589, 620, 682, 713, 836, 874, 1012, 1045, 1058, 1178, 1265, 1364, 1426, 1705, 1748, 2090, 2116, 2185, 2356, 2530, 2645, 2852, 2945, 3410, 3565, 4180, 4370, 4807, 5060, 5290, 5819, 5890, 6479, 6820, 7130, 7843, 8740, 9614, 10051, 10580, 11638, 11780, 12958, 13547, 14260, 15686, 16399, 19228, 20102, 23276, 24035, 25916, 27094, 29095, 31372, 32395, 32798, 39215, 40204, 48070, 50255, 54188, 58190, 64790, 65596, 67735, 78430, 81995, 96140, 100510, 110561, 116380, 129580, 135470, 149017, 156860, 163990, 180389, 201020, 221122, 270940, 298034, 311581, 327980, 360778, 442244, 552805, 596068, 623162, 721556, 745085, 901945, 1105610, 1246324, 1490170, 1557905, 1803890, 2211220, 2980340, 3115810, 3427391, 3607780, 6231620, 6854782, 13709564, 17136955, 34273910, 68547820]

約数ペア:

[(1, 68547820), (2, 34273910), (4, 17136955), (5, 13709564), (10, 6854782), (11, 6231620), (19, 3607780), (20, 3427391), (22, 3115810), (23, 2980340), (31, 2211220), (38, 1803890), (44, 1557905), (46, 1490170), (55, 1246324), (62, 1105610), (76, 901945), (92, 745085), (95, 721556), (110, 623162), (115, 596068), (124, 552805), (155, 442244), (190, 360778), (209, 327980), (220, 311581), (230, 298034), (253, 270940), (310, 221122), (341, 201020), (380, 180389), (418, 163990), (437, 156860), (460, 149017), (506, 135470), (529, 129580), (589, 116380), (620, 110561), (682, 100510), (713, 96140), (836, 81995), (874, 78430), (1012, 67735), (1045, 65596), (1058, 64790), (1178, 58190), (1265, 54188), (1364, 50255), (1426, 48070), (1705, 40204), (1748, 39215), (2090, 32798), (2116, 32395), (2185, 31372), (2356, 29095), (2530, 27094), (2645, 25916), (2852, 24035), (2945, 23276), (3410, 20102), (3565, 19228), (4180, 16399), (4370, 15686), (4807, 14260), (5060, 13547), (5290, 12958), (5819, 11780), (5890, 11638), (6479, 10580), (6820, 10051), (7130, 9614), (7843, 8740)]