1520818320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{905249}}^1$

素因数の和:905272

約数の個数: 80

約数和(自身を含む): 5388048000

約数和(自身を除く): 3867229680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 905249, 1810498, 2715747, 3620996, 4526245, 5431494, 6336743, 7241992, 9052490, 10862988, 12673486, 13578735, 14483984, 18104980, 19010229, 21725976, 25346972, 27157470, 31683715, 36209960, 38020458, 43451952, 50693944, 54314940, 63367430, 72419920, 76040916, 95051145, 101387888, 108629880, 126734860, 152081832, 190102290, 217259760, 253469720, 304163664, 380204580, 506939440, 760409160, 1520818320]

約数ペア:

[(1, 1520818320), (2, 760409160), (3, 506939440), (4, 380204580), (5, 304163664), (6, 253469720), (7, 217259760), (8, 190102290), (10, 152081832), (12, 126734860), (14, 108629880), (15, 101387888), (16, 95051145), (20, 76040916), (21, 72419920), (24, 63367430), (28, 54314940), (30, 50693944), (35, 43451952), (40, 38020458), (42, 36209960), (48, 31683715), (56, 27157470), (60, 25346972), (70, 21725976), (80, 19010229), (84, 18104980), (105, 14483984), (112, 13578735), (120, 12673486), (140, 10862988), (168, 9052490), (210, 7241992), (240, 6336743), (280, 5431494), (336, 4526245), (420, 3620996), (560, 2715747), (840, 1810498), (1680, 905249)]