78920820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1733}}^1$

素因数の和:1782

約数の個数: 144

約数和(自身を含む): 272668032

約数和(自身を除く): 193747212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 990, 1012, 1035, 1265, 1380, 1518, 1733, 1980, 2070, 2277, 2530, 3036, 3466, 3795, 4140, 4554, 5060, 5199, 6932, 7590, 8665, 9108, 10398, 11385, 15180, 15597, 17330, 19063, 20796, 22770, 25995, 31194, 34660, 38126, 39859, 45540, 51990, 57189, 62388, 76252, 77985, 79718, 95315, 103980, 114378, 119577, 155970, 159436, 171567, 190630, 199295, 228756, 239154, 285945, 311940, 343134, 358731, 381260, 398590, 438449, 478308, 571890, 597885, 686268, 717462, 797180, 857835, 876898, 1143780, 1195770, 1315347, 1434924, 1715670, 1753796, 1793655, 2192245, 2391540, 2630694, 3431340, 3587310, 3946041, 4384490, 5261388, 6576735, 7174620, 7892082, 8768980, 13153470, 15784164, 19730205, 26306940, 39460410, 78920820]

約数ペア:

[(1, 78920820), (2, 39460410), (3, 26306940), (4, 19730205), (5, 15784164), (6, 13153470), (9, 8768980), (10, 7892082), (11, 7174620), (12, 6576735), (15, 5261388), (18, 4384490), (20, 3946041), (22, 3587310), (23, 3431340), (30, 2630694), (33, 2391540), (36, 2192245), (44, 1793655), (45, 1753796), (46, 1715670), (55, 1434924), (60, 1315347), (66, 1195770), (69, 1143780), (90, 876898), (92, 857835), (99, 797180), (110, 717462), (115, 686268), (132, 597885), (138, 571890), (165, 478308), (180, 438449), (198, 398590), (207, 381260), (220, 358731), (230, 343134), (253, 311940), (276, 285945), (330, 239154), (345, 228756), (396, 199295), (414, 190630), (460, 171567), (495, 159436), (506, 155970), (660, 119577), (690, 114378), (759, 103980), (828, 95315), (990, 79718), (1012, 77985), (1035, 76252), (1265, 62388), (1380, 57189), (1518, 51990), (1733, 45540), (1980, 39859), (2070, 38126), (2277, 34660), (2530, 31194), (3036, 25995), (3466, 22770), (3795, 20796), (4140, 19063), (4554, 17330), (5060, 15597), (5199, 15180), (6932, 11385), (7590, 10398), (8665, 9108)]