2857980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 8870400

約数和(自身を除く): 6012420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 109, 114, 115, 138, 190, 218, 228, 230, 276, 285, 327, 345, 380, 436, 437, 460, 545, 570, 654, 690, 874, 1090, 1140, 1308, 1311, 1380, 1635, 1748, 2071, 2180, 2185, 2507, 2622, 3270, 4142, 4370, 5014, 5244, 6213, 6540, 6555, 7521, 8284, 8740, 10028, 10355, 12426, 12535, 13110, 15042, 20710, 24852, 25070, 26220, 30084, 31065, 37605, 41420, 47633, 50140, 62130, 75210, 95266, 124260, 142899, 150420, 190532, 238165, 285798, 476330, 571596, 714495, 952660, 1428990, 2857980]

約数ペア:

[(1, 2857980), (2, 1428990), (3, 952660), (4, 714495), (5, 571596), (6, 476330), (10, 285798), (12, 238165), (15, 190532), (19, 150420), (20, 142899), (23, 124260), (30, 95266), (38, 75210), (46, 62130), (57, 50140), (60, 47633), (69, 41420), (76, 37605), (92, 31065), (95, 30084), (109, 26220), (114, 25070), (115, 24852), (138, 20710), (190, 15042), (218, 13110), (228, 12535), (230, 12426), (276, 10355), (285, 10028), (327, 8740), (345, 8284), (380, 7521), (436, 6555), (437, 6540), (460, 6213), (545, 5244), (570, 5014), (654, 4370), (690, 4142), (874, 3270), (1090, 2622), (1140, 2507), (1308, 2185), (1311, 2180), (1380, 2071), (1635, 1748)]