80636790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1039}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 209664000

約数和(自身を除く): 129027210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 995, 1039, 1194, 1990, 2078, 2587, 2985, 3117, 5174, 5195, 5970, 6234, 7761, 10390, 12935, 13507, 15522, 15585, 25870, 27014, 31170, 38805, 40521, 67535, 77610, 81042, 135070, 202605, 206761, 405210, 413522, 620283, 1033805, 1240566, 2067610, 2687893, 3101415, 5375786, 6202830, 8063679, 13439465, 16127358, 26878930, 40318395, 80636790]

約数ペア:

[(1, 80636790), (2, 40318395), (3, 26878930), (5, 16127358), (6, 13439465), (10, 8063679), (13, 6202830), (15, 5375786), (26, 3101415), (30, 2687893), (39, 2067610), (65, 1240566), (78, 1033805), (130, 620283), (195, 413522), (199, 405210), (390, 206761), (398, 202605), (597, 135070), (995, 81042), (1039, 77610), (1194, 67535), (1990, 40521), (2078, 38805), (2587, 31170), (2985, 27014), (3117, 25870), (5174, 15585), (5195, 15522), (5970, 13507), (6234, 12935), (7761, 10390)]