87739720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6791}}^1$

素因数の和:6838

約数の個数: 64

約数和(自身を含む): 220060800

約数和(自身を除く): 132321080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 6791, 12920, 13582, 27164, 33955, 54328, 67910, 115447, 129029, 135820, 230894, 258058, 271640, 461788, 516116, 577235, 645145, 923576, 1032232, 1154470, 1290290, 2193493, 2308940, 2580580, 4386986, 4617880, 5161160, 8773972, 10967465, 17547944, 21934930, 43869860, 87739720]

約数ペア:

[(1, 87739720), (2, 43869860), (4, 21934930), (5, 17547944), (8, 10967465), (10, 8773972), (17, 5161160), (19, 4617880), (20, 4386986), (34, 2580580), (38, 2308940), (40, 2193493), (68, 1290290), (76, 1154470), (85, 1032232), (95, 923576), (136, 645145), (152, 577235), (170, 516116), (190, 461788), (323, 271640), (340, 258058), (380, 230894), (646, 135820), (680, 129029), (760, 115447), (1292, 67910), (1615, 54328), (2584, 33955), (3230, 27164), (6460, 13582), (6791, 12920)]