821796270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 2106829440

約数和(自身を除く): 1285033170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 53, 61, 74, 106, 111, 122, 159, 183, 185, 222, 229, 265, 305, 318, 366, 370, 458, 530, 555, 610, 687, 795, 915, 1110, 1145, 1374, 1590, 1830, 1961, 2257, 2290, 3233, 3435, 3922, 4514, 5883, 6466, 6771, 6870, 8473, 9699, 9805, 11285, 11766, 12137, 13542, 13969, 16165, 16946, 19398, 19610, 22570, 24274, 25419, 27938, 29415, 32330, 33855, 36411, 41907, 42365, 48495, 50838, 58830, 60685, 67710, 69845, 72822, 83814, 84730, 96990, 119621, 121370, 127095, 139690, 182055, 209535, 239242, 254190, 358863, 364110, 419070, 449069, 516853, 598105, 717726, 740357, 898138, 1033706, 1196210, 1347207, 1480714, 1550559, 1794315, 2221071, 2245345, 2584265, 2694414, 3101118, 3588630, 3701785, 4442142, 4490690, 5168530, 6736035, 7403570, 7752795, 11105355, 13472070, 15505590, 22210710, 27393209, 54786418, 82179627, 136966045, 164359254, 273932090, 410898135, 821796270]

約数ペア:

[(1, 821796270), (2, 410898135), (3, 273932090), (5, 164359254), (6, 136966045), (10, 82179627), (15, 54786418), (30, 27393209), (37, 22210710), (53, 15505590), (61, 13472070), (74, 11105355), (106, 7752795), (111, 7403570), (122, 6736035), (159, 5168530), (183, 4490690), (185, 4442142), (222, 3701785), (229, 3588630), (265, 3101118), (305, 2694414), (318, 2584265), (366, 2245345), (370, 2221071), (458, 1794315), (530, 1550559), (555, 1480714), (610, 1347207), (687, 1196210), (795, 1033706), (915, 898138), (1110, 740357), (1145, 717726), (1374, 598105), (1590, 516853), (1830, 449069), (1961, 419070), (2257, 364110), (2290, 358863), (3233, 254190), (3435, 239242), (3922, 209535), (4514, 182055), (5883, 139690), (6466, 127095), (6771, 121370), (6870, 119621), (8473, 96990), (9699, 84730), (9805, 83814), (11285, 72822), (11766, 69845), (12137, 67710), (13542, 60685), (13969, 58830), (16165, 50838), (16946, 48495), (19398, 42365), (19610, 41907), (22570, 36411), (24274, 33855), (25419, 32330), (27938, 29415)]