205359480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{863}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 669202560

約数和(自身を除く): 463843080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 661, 863, 1322, 1726, 1983, 2589, 2644, 3305, 3452, 3966, 4315, 5178, 5288, 5949, 6610, 6904, 7767, 7932, 8630, 9915, 10356, 11898, 12945, 13220, 15534, 15864, 17260, 19830, 20712, 23796, 25890, 26440, 29745, 31068, 34520, 38835, 39660, 47592, 51780, 59490, 62136, 77670, 79320, 103560, 118980, 155340, 237960, 310680, 570443, 1140886, 1711329, 2281772, 2852215, 3422658, 4563544, 5133987, 5704430, 6845316, 8556645, 10267974, 11408860, 13690632, 17113290, 20535948, 22817720, 25669935, 34226580, 41071896, 51339870, 68453160, 102679740, 205359480]

約数ペア:

[(1, 205359480), (2, 102679740), (3, 68453160), (4, 51339870), (5, 41071896), (6, 34226580), (8, 25669935), (9, 22817720), (10, 20535948), (12, 17113290), (15, 13690632), (18, 11408860), (20, 10267974), (24, 8556645), (30, 6845316), (36, 5704430), (40, 5133987), (45, 4563544), (60, 3422658), (72, 2852215), (90, 2281772), (120, 1711329), (180, 1140886), (360, 570443), (661, 310680), (863, 237960), (1322, 155340), (1726, 118980), (1983, 103560), (2589, 79320), (2644, 77670), (3305, 62136), (3452, 59490), (3966, 51780), (4315, 47592), (5178, 39660), (5288, 38835), (5949, 34520), (6610, 31068), (6904, 29745), (7767, 26440), (7932, 25890), (8630, 23796), (9915, 20712), (10356, 19830), (11898, 17260), (12945, 15864), (13220, 15534)]