254748160

素因数分解:

$2^9\times 5^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:735

約数の個数: 80

約数和(自身を含む): 615174912

約数和(自身を除く): 360426752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 512, 521, 640, 764, 955, 1042, 1280, 1528, 1910, 2084, 2560, 2605, 3056, 3820, 4168, 5210, 6112, 7640, 8336, 10420, 12224, 15280, 16672, 20840, 24448, 30560, 33344, 41680, 48896, 61120, 66688, 83360, 97792, 99511, 122240, 133376, 166720, 199022, 244480, 266752, 333440, 398044, 488960, 497555, 666880, 796088, 995110, 1333760, 1592176, 1990220, 3184352, 3980440, 6368704, 7960880, 12737408, 15921760, 25474816, 31843520, 50949632, 63687040, 127374080, 254748160]

約数ペア:

[(1, 254748160), (2, 127374080), (4, 63687040), (5, 50949632), (8, 31843520), (10, 25474816), (16, 15921760), (20, 12737408), (32, 7960880), (40, 6368704), (64, 3980440), (80, 3184352), (128, 1990220), (160, 1592176), (191, 1333760), (256, 995110), (320, 796088), (382, 666880), (512, 497555), (521, 488960), (640, 398044), (764, 333440), (955, 266752), (1042, 244480), (1280, 199022), (1528, 166720), (1910, 133376), (2084, 122240), (2560, 99511), (2605, 97792), (3056, 83360), (3820, 66688), (4168, 61120), (5210, 48896), (6112, 41680), (7640, 33344), (8336, 30560), (10420, 24448), (12224, 20840), (15280, 16672)]