645698976

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{39799}}^1$

素因数の和:39838

約数の個数: 72

約数和(自身を含む): 1835416800

約数和(自身を除く): 1189717824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1352, 2028, 2704, 4056, 5408, 8112, 16224, 39799, 79598, 119397, 159196, 238794, 318392, 477588, 517387, 636784, 955176, 1034774, 1273568, 1552161, 1910352, 2069548, 3104322, 3820704, 4139096, 6208644, 6726031, 8278192, 12417288, 13452062, 16556384, 20178093, 24834576, 26904124, 40356186, 49669152, 53808248, 80712372, 107616496, 161424744, 215232992, 322849488, 645698976]

約数ペア:

[(1, 645698976), (2, 322849488), (3, 215232992), (4, 161424744), (6, 107616496), (8, 80712372), (12, 53808248), (13, 49669152), (16, 40356186), (24, 26904124), (26, 24834576), (32, 20178093), (39, 16556384), (48, 13452062), (52, 12417288), (78, 8278192), (96, 6726031), (104, 6208644), (156, 4139096), (169, 3820704), (208, 3104322), (312, 2069548), (338, 1910352), (416, 1552161), (507, 1273568), (624, 1034774), (676, 955176), (1014, 636784), (1248, 517387), (1352, 477588), (2028, 318392), (2704, 238794), (4056, 159196), (5408, 119397), (8112, 79598), (16224, 39799)]