68666940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 220147200

約数和(自身を除く): 151480260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 199, 213, 243, 270, 284, 324, 355, 398, 405, 426, 486, 540, 597, 639, 710, 796, 810, 852, 972, 995, 1065, 1194, 1215, 1278, 1420, 1620, 1791, 1917, 1990, 2130, 2388, 2430, 2556, 2985, 3195, 3582, 3834, 3980, 4260, 4860, 5373, 5751, 5970, 6390, 7164, 7668, 8955, 9585, 10746, 11502, 11940, 12780, 14129, 16119, 17253, 17910, 19170, 21492, 23004, 26865, 28258, 28755, 32238, 34506, 35820, 38340, 42387, 48357, 53730, 56516, 57510, 64476, 69012, 70645, 80595, 84774, 86265, 96714, 107460, 115020, 127161, 141290, 161190, 169548, 172530, 193428, 211935, 241785, 254322, 282580, 322380, 345060, 381483, 423870, 483570, 508644, 635805, 762966, 847740, 967140, 1144449, 1271610, 1525932, 1907415, 2288898, 2543220, 3433347, 3814830, 4577796, 5722245, 6866694, 7629660, 11444490, 13733388, 17166735, 22888980, 34333470, 68666940]

約数ペア:

[(1, 68666940), (2, 34333470), (3, 22888980), (4, 17166735), (5, 13733388), (6, 11444490), (9, 7629660), (10, 6866694), (12, 5722245), (15, 4577796), (18, 3814830), (20, 3433347), (27, 2543220), (30, 2288898), (36, 1907415), (45, 1525932), (54, 1271610), (60, 1144449), (71, 967140), (81, 847740), (90, 762966), (108, 635805), (135, 508644), (142, 483570), (162, 423870), (180, 381483), (199, 345060), (213, 322380), (243, 282580), (270, 254322), (284, 241785), (324, 211935), (355, 193428), (398, 172530), (405, 169548), (426, 161190), (486, 141290), (540, 127161), (597, 115020), (639, 107460), (710, 96714), (796, 86265), (810, 84774), (852, 80595), (972, 70645), (995, 69012), (1065, 64476), (1194, 57510), (1215, 56516), (1278, 53730), (1420, 48357), (1620, 42387), (1791, 38340), (1917, 35820), (1990, 34506), (2130, 32238), (2388, 28755), (2430, 28258), (2556, 26865), (2985, 23004), (3195, 21492), (3582, 19170), (3834, 17910), (3980, 17253), (4260, 16119), (4860, 14129), (5373, 12780), (5751, 11940), (5970, 11502), (6390, 10746), (7164, 9585), (7668, 8955)]