638936760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69149}}^1$

素因数の和:69181

約数の個数: 128

約数和(自身を含む): 2389824000

約数和(自身を除く): 1750887240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 69149, 138298, 207447, 276596, 345745, 414894, 484043, 553192, 691490, 760639, 829788, 968086, 1037235, 1382980, 1452129, 1521278, 1659576, 1936172, 2074470, 2281917, 2420215, 2765960, 2904258, 3042556, 3803195, 3872344, 4148940, 4563834, 4840430, 5324473, 5808516, 6085112, 7260645, 7606390, 8297880, 9127668, 9680860, 10648946, 11409585, 11617032, 14521290, 15212780, 15973419, 18255336, 19361720, 21297892, 22819170, 26622365, 29042580, 30425560, 31946838, 42595784, 45638340, 53244730, 58085160, 63893676, 79867095, 91276680, 106489460, 127787352, 159734190, 212978920, 319468380, 638936760]

約数ペア:

[(1, 638936760), (2, 319468380), (3, 212978920), (4, 159734190), (5, 127787352), (6, 106489460), (7, 91276680), (8, 79867095), (10, 63893676), (11, 58085160), (12, 53244730), (14, 45638340), (15, 42595784), (20, 31946838), (21, 30425560), (22, 29042580), (24, 26622365), (28, 22819170), (30, 21297892), (33, 19361720), (35, 18255336), (40, 15973419), (42, 15212780), (44, 14521290), (55, 11617032), (56, 11409585), (60, 10648946), (66, 9680860), (70, 9127668), (77, 8297880), (84, 7606390), (88, 7260645), (105, 6085112), (110, 5808516), (120, 5324473), (132, 4840430), (140, 4563834), (154, 4148940), (165, 3872344), (168, 3803195), (210, 3042556), (220, 2904258), (231, 2765960), (264, 2420215), (280, 2281917), (308, 2074470), (330, 1936172), (385, 1659576), (420, 1521278), (440, 1452129), (462, 1382980), (616, 1037235), (660, 968086), (770, 829788), (840, 760639), (924, 691490), (1155, 553192), (1320, 484043), (1540, 414894), (1848, 345745), (2310, 276596), (3080, 207447), (4620, 138298), (9240, 69149)]