646706760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7937}}^1$

素因数の和:8055

約数の個数: 128

約数和(自身を含む): 2240421120

約数和(自身を除く): 1593714360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 5432, 5820, 6790, 7937, 8148, 10185, 11640, 13580, 15874, 16296, 20370, 23811, 27160, 31748, 39685, 40740, 47622, 55559, 63496, 79370, 81480, 95244, 111118, 119055, 158740, 166677, 190488, 222236, 238110, 277795, 317480, 333354, 444472, 476220, 555590, 666708, 769889, 833385, 952440, 1111180, 1333416, 1539778, 1666770, 2222360, 2309667, 3079556, 3333540, 3849445, 4619334, 5389223, 6159112, 6667080, 7698890, 9238668, 10778446, 11548335, 15397780, 16167669, 18477336, 21556892, 23096670, 26946115, 30795560, 32335338, 43113784, 46193340, 53892230, 64670676, 80838345, 92386680, 107784460, 129341352, 161676690, 215568920, 323353380, 646706760]

約数ペア:

[(1, 646706760), (2, 323353380), (3, 215568920), (4, 161676690), (5, 129341352), (6, 107784460), (7, 92386680), (8, 80838345), (10, 64670676), (12, 53892230), (14, 46193340), (15, 43113784), (20, 32335338), (21, 30795560), (24, 26946115), (28, 23096670), (30, 21556892), (35, 18477336), (40, 16167669), (42, 15397780), (56, 11548335), (60, 10778446), (70, 9238668), (84, 7698890), (97, 6667080), (105, 6159112), (120, 5389223), (140, 4619334), (168, 3849445), (194, 3333540), (210, 3079556), (280, 2309667), (291, 2222360), (388, 1666770), (420, 1539778), (485, 1333416), (582, 1111180), (679, 952440), (776, 833385), (840, 769889), (970, 666708), (1164, 555590), (1358, 476220), (1455, 444472), (1940, 333354), (2037, 317480), (2328, 277795), (2716, 238110), (2910, 222236), (3395, 190488), (3880, 166677), (4074, 158740), (5432, 119055), (5820, 111118), (6790, 95244), (7937, 81480), (8148, 79370), (10185, 63496), (11640, 55559), (13580, 47622), (15874, 40740), (16296, 39685), (20370, 31748), (23811, 27160)]