1957971960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{258991}}^1$

素因数の和:259018

約数の個数: 128

約数和(自身を含む): 7458969600

約数和(自身を除く): 5500997640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 258991, 517982, 776973, 1035964, 1294955, 1553946, 1812937, 2071928, 2330919, 2589910, 3107892, 3625874, 3884865, 4661838, 5179820, 5438811, 6215784, 6992757, 7251748, 7769730, 9064685, 9323676, 10359640, 10877622, 11654595, 13985514, 14503496, 15539460, 16316433, 18129370, 18647352, 21755244, 23309190, 27194055, 27971028, 31078920, 32632866, 34963785, 36258740, 43510488, 46618380, 48949299, 54388110, 55942056, 65265732, 69927570, 72517480, 81582165, 93236760, 97898598, 108776220, 130531464, 139855140, 163164330, 195797196, 217552440, 244746495, 279710280, 326328660, 391594392, 489492990, 652657320, 978985980, 1957971960]

約数ペア:

[(1, 1957971960), (2, 978985980), (3, 652657320), (4, 489492990), (5, 391594392), (6, 326328660), (7, 279710280), (8, 244746495), (9, 217552440), (10, 195797196), (12, 163164330), (14, 139855140), (15, 130531464), (18, 108776220), (20, 97898598), (21, 93236760), (24, 81582165), (27, 72517480), (28, 69927570), (30, 65265732), (35, 55942056), (36, 54388110), (40, 48949299), (42, 46618380), (45, 43510488), (54, 36258740), (56, 34963785), (60, 32632866), (63, 31078920), (70, 27971028), (72, 27194055), (84, 23309190), (90, 21755244), (105, 18647352), (108, 18129370), (120, 16316433), (126, 15539460), (135, 14503496), (140, 13985514), (168, 11654595), (180, 10877622), (189, 10359640), (210, 9323676), (216, 9064685), (252, 7769730), (270, 7251748), (280, 6992757), (315, 6215784), (360, 5438811), (378, 5179820), (420, 4661838), (504, 3884865), (540, 3625874), (630, 3107892), (756, 2589910), (840, 2330919), (945, 2071928), (1080, 1812937), (1260, 1553946), (1512, 1294955), (1890, 1035964), (2520, 776973), (3780, 517982), (7560, 258991)]