291127560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 916980480

約数和(自身を除く): 625852920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 313, 337, 345, 460, 552, 626, 674, 690, 920, 939, 1011, 1252, 1348, 1380, 1565, 1685, 1878, 2022, 2504, 2696, 2760, 3130, 3370, 3756, 4044, 4695, 5055, 6260, 6740, 7199, 7512, 7751, 8088, 9390, 10110, 12520, 13480, 14398, 15502, 18780, 20220, 21597, 23253, 28796, 31004, 35995, 37560, 38755, 40440, 43194, 46506, 57592, 62008, 71990, 77510, 86388, 93012, 105481, 107985, 116265, 143980, 155020, 172776, 186024, 210962, 215970, 232530, 287960, 310040, 316443, 421924, 431940, 465060, 527405, 632886, 843848, 863880, 930120, 1054810, 1265772, 1582215, 2109620, 2426063, 2531544, 3164430, 4219240, 4852126, 6328860, 7278189, 9704252, 12130315, 12657720, 14556378, 19408504, 24260630, 29112756, 36390945, 48521260, 58225512, 72781890, 97042520, 145563780, 291127560]

約数ペア:

[(1, 291127560), (2, 145563780), (3, 97042520), (4, 72781890), (5, 58225512), (6, 48521260), (8, 36390945), (10, 29112756), (12, 24260630), (15, 19408504), (20, 14556378), (23, 12657720), (24, 12130315), (30, 9704252), (40, 7278189), (46, 6328860), (60, 4852126), (69, 4219240), (92, 3164430), (115, 2531544), (120, 2426063), (138, 2109620), (184, 1582215), (230, 1265772), (276, 1054810), (313, 930120), (337, 863880), (345, 843848), (460, 632886), (552, 527405), (626, 465060), (674, 431940), (690, 421924), (920, 316443), (939, 310040), (1011, 287960), (1252, 232530), (1348, 215970), (1380, 210962), (1565, 186024), (1685, 172776), (1878, 155020), (2022, 143980), (2504, 116265), (2696, 107985), (2760, 105481), (3130, 93012), (3370, 86388), (3756, 77510), (4044, 71990), (4695, 62008), (5055, 57592), (6260, 46506), (6740, 43194), (7199, 40440), (7512, 38755), (7751, 37560), (8088, 35995), (9390, 31004), (10110, 28796), (12520, 23253), (13480, 21597), (14398, 20220), (15502, 18780)]