68444220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1867}}^1$

素因数の和:1939

約数の個数: 96

約数和(自身を含む): 210889728

約数和(自身を除く): 142445508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 564, 611, 705, 780, 940, 1222, 1410, 1833, 1867, 2444, 2820, 3055, 3666, 3734, 5601, 6110, 7332, 7468, 9165, 9335, 11202, 12220, 18330, 18670, 22404, 24271, 28005, 36660, 37340, 48542, 56010, 72813, 87749, 97084, 112020, 121355, 145626, 175498, 242710, 263247, 291252, 350996, 364065, 438745, 485420, 526494, 728130, 877490, 1052988, 1140737, 1316235, 1456260, 1754980, 2281474, 2632470, 3422211, 4562948, 5264940, 5703685, 6844422, 11407370, 13688844, 17111055, 22814740, 34222110, 68444220]

約数ペア:

[(1, 68444220), (2, 34222110), (3, 22814740), (4, 17111055), (5, 13688844), (6, 11407370), (10, 6844422), (12, 5703685), (13, 5264940), (15, 4562948), (20, 3422211), (26, 2632470), (30, 2281474), (39, 1754980), (47, 1456260), (52, 1316235), (60, 1140737), (65, 1052988), (78, 877490), (94, 728130), (130, 526494), (141, 485420), (156, 438745), (188, 364065), (195, 350996), (235, 291252), (260, 263247), (282, 242710), (390, 175498), (470, 145626), (564, 121355), (611, 112020), (705, 97084), (780, 87749), (940, 72813), (1222, 56010), (1410, 48542), (1833, 37340), (1867, 36660), (2444, 28005), (2820, 24271), (3055, 22404), (3666, 18670), (3734, 18330), (5601, 12220), (6110, 11202), (7332, 9335), (7468, 9165)]