133201720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 309445920

約数和(自身を除く): 176244200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 83, 106, 166, 212, 265, 332, 415, 424, 530, 664, 757, 830, 1060, 1514, 1660, 2120, 3028, 3320, 3785, 4399, 6056, 7570, 8798, 15140, 17596, 21995, 30280, 35192, 40121, 43990, 62831, 80242, 87980, 125662, 160484, 175960, 200605, 251324, 314155, 320968, 401210, 502648, 628310, 802420, 1256620, 1604840, 2513240, 3330043, 6660086, 13320172, 16650215, 26640344, 33300430, 66600860, 133201720]

約数ペア:

[(1, 133201720), (2, 66600860), (4, 33300430), (5, 26640344), (8, 16650215), (10, 13320172), (20, 6660086), (40, 3330043), (53, 2513240), (83, 1604840), (106, 1256620), (166, 802420), (212, 628310), (265, 502648), (332, 401210), (415, 320968), (424, 314155), (530, 251324), (664, 200605), (757, 175960), (830, 160484), (1060, 125662), (1514, 87980), (1660, 80242), (2120, 62831), (3028, 43990), (3320, 40121), (3785, 35192), (4399, 30280), (6056, 21995), (7570, 17596), (8798, 15140)]