71272840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 170858160

約数和(自身を除く): 99585320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 281, 340, 373, 562, 680, 746, 1124, 1405, 1492, 1865, 2248, 2810, 2984, 3730, 4777, 5620, 6341, 7460, 9554, 11240, 12682, 14920, 19108, 23885, 25364, 31705, 38216, 47770, 50728, 63410, 95540, 104813, 126820, 191080, 209626, 253640, 419252, 524065, 838504, 1048130, 1781821, 2096260, 3563642, 4192520, 7127284, 8909105, 14254568, 17818210, 35636420, 71272840]

約数ペア:

[(1, 71272840), (2, 35636420), (4, 17818210), (5, 14254568), (8, 8909105), (10, 7127284), (17, 4192520), (20, 3563642), (34, 2096260), (40, 1781821), (68, 1048130), (85, 838504), (136, 524065), (170, 419252), (281, 253640), (340, 209626), (373, 191080), (562, 126820), (680, 104813), (746, 95540), (1124, 63410), (1405, 50728), (1492, 47770), (1865, 38216), (2248, 31705), (2810, 25364), (2984, 23885), (3730, 19108), (4777, 14920), (5620, 12682), (6341, 11240), (7460, 9554)]