140608520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{853}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 342180720

約数和(自身を除く): 201572200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 317, 520, 634, 853, 1268, 1585, 1706, 2536, 3170, 3412, 4121, 4265, 6340, 6824, 8242, 8530, 11089, 12680, 16484, 17060, 20605, 22178, 32968, 34120, 41210, 44356, 55445, 82420, 88712, 110890, 164840, 221780, 270401, 443560, 540802, 1081604, 1352005, 2163208, 2704010, 3515213, 5408020, 7030426, 10816040, 14060852, 17576065, 28121704, 35152130, 70304260, 140608520]

約数ペア:

[(1, 140608520), (2, 70304260), (4, 35152130), (5, 28121704), (8, 17576065), (10, 14060852), (13, 10816040), (20, 7030426), (26, 5408020), (40, 3515213), (52, 2704010), (65, 2163208), (104, 1352005), (130, 1081604), (260, 540802), (317, 443560), (520, 270401), (634, 221780), (853, 164840), (1268, 110890), (1585, 88712), (1706, 82420), (2536, 55445), (3170, 44356), (3412, 41210), (4121, 34120), (4265, 32968), (6340, 22178), (6824, 20605), (8242, 17060), (8530, 16484), (11089, 12680)]