1320900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 4749696

約数和(自身を除く): 3428796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 37, 42, 50, 51, 60, 68, 70, 74, 75, 84, 85, 100, 102, 105, 111, 119, 140, 148, 150, 170, 175, 185, 204, 210, 222, 238, 255, 259, 300, 340, 350, 357, 370, 420, 425, 444, 476, 510, 518, 525, 555, 595, 629, 700, 714, 740, 777, 850, 925, 1020, 1036, 1050, 1110, 1190, 1258, 1275, 1295, 1428, 1554, 1700, 1785, 1850, 1887, 2100, 2220, 2380, 2516, 2550, 2590, 2775, 2975, 3108, 3145, 3570, 3700, 3774, 3885, 4403, 5100, 5180, 5550, 5950, 6290, 6475, 7140, 7548, 7770, 8806, 8925, 9435, 11100, 11900, 12580, 12950, 13209, 15540, 15725, 17612, 17850, 18870, 19425, 22015, 25900, 26418, 31450, 35700, 37740, 38850, 44030, 47175, 52836, 62900, 66045, 77700, 88060, 94350, 110075, 132090, 188700, 220150, 264180, 330225, 440300, 660450, 1320900]

約数ペア:

[(1, 1320900), (2, 660450), (3, 440300), (4, 330225), (5, 264180), (6, 220150), (7, 188700), (10, 132090), (12, 110075), (14, 94350), (15, 88060), (17, 77700), (20, 66045), (21, 62900), (25, 52836), (28, 47175), (30, 44030), (34, 38850), (35, 37740), (37, 35700), (42, 31450), (50, 26418), (51, 25900), (60, 22015), (68, 19425), (70, 18870), (74, 17850), (75, 17612), (84, 15725), (85, 15540), (100, 13209), (102, 12950), (105, 12580), (111, 11900), (119, 11100), (140, 9435), (148, 8925), (150, 8806), (170, 7770), (175, 7548), (185, 7140), (204, 6475), (210, 6290), (222, 5950), (238, 5550), (255, 5180), (259, 5100), (300, 4403), (340, 3885), (350, 3774), (357, 3700), (370, 3570), (420, 3145), (425, 3108), (444, 2975), (476, 2775), (510, 2590), (518, 2550), (525, 2516), (555, 2380), (595, 2220), (629, 2100), (700, 1887), (714, 1850), (740, 1785), (777, 1700), (850, 1554), (925, 1428), (1020, 1295), (1036, 1275), (1050, 1258), (1110, 1190)]