1291500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{41}}^1$

素因数の和:73

約数の個数: 144

約数和(自身を含む): 4769856

約数和(自身を除く): 3478356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 41, 42, 45, 50, 60, 63, 70, 75, 82, 84, 90, 100, 105, 123, 125, 126, 140, 150, 164, 175, 180, 205, 210, 225, 246, 250, 252, 287, 300, 315, 350, 369, 375, 410, 420, 450, 492, 500, 525, 574, 615, 630, 700, 738, 750, 820, 861, 875, 900, 1025, 1050, 1125, 1148, 1230, 1260, 1435, 1476, 1500, 1575, 1722, 1750, 1845, 2050, 2100, 2250, 2460, 2583, 2625, 2870, 3075, 3150, 3444, 3500, 3690, 4100, 4305, 4500, 5125, 5166, 5250, 5740, 6150, 6300, 7175, 7380, 7875, 8610, 9225, 10250, 10332, 10500, 12300, 12915, 14350, 15375, 15750, 17220, 18450, 20500, 21525, 25830, 28700, 30750, 31500, 35875, 36900, 43050, 46125, 51660, 61500, 64575, 71750, 86100, 92250, 107625, 129150, 143500, 184500, 215250, 258300, 322875, 430500, 645750, 1291500]

約数ペア:

[(1, 1291500), (2, 645750), (3, 430500), (4, 322875), (5, 258300), (6, 215250), (7, 184500), (9, 143500), (10, 129150), (12, 107625), (14, 92250), (15, 86100), (18, 71750), (20, 64575), (21, 61500), (25, 51660), (28, 46125), (30, 43050), (35, 36900), (36, 35875), (41, 31500), (42, 30750), (45, 28700), (50, 25830), (60, 21525), (63, 20500), (70, 18450), (75, 17220), (82, 15750), (84, 15375), (90, 14350), (100, 12915), (105, 12300), (123, 10500), (125, 10332), (126, 10250), (140, 9225), (150, 8610), (164, 7875), (175, 7380), (180, 7175), (205, 6300), (210, 6150), (225, 5740), (246, 5250), (250, 5166), (252, 5125), (287, 4500), (300, 4305), (315, 4100), (350, 3690), (369, 3500), (375, 3444), (410, 3150), (420, 3075), (450, 2870), (492, 2625), (500, 2583), (525, 2460), (574, 2250), (615, 2100), (630, 2050), (700, 1845), (738, 1750), (750, 1722), (820, 1575), (861, 1500), (875, 1476), (900, 1435), (1025, 1260), (1050, 1230), (1125, 1148)]