31385880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{3229}}^1$

素因数の和:3255

約数の個数: 96

約数和(自身を含む): 105814800

約数和(自身を除く): 74428920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3229, 3240, 4860, 6458, 9687, 9720, 12916, 16145, 19374, 25832, 29061, 32290, 38748, 48435, 58122, 64580, 77496, 87183, 96870, 116244, 129160, 145305, 174366, 193740, 232488, 261549, 290610, 348732, 387480, 435915, 523098, 581220, 697464, 784647, 871830, 1046196, 1162440, 1307745, 1569294, 1743660, 2092392, 2615490, 3138588, 3487320, 3923235, 5230980, 6277176, 7846470, 10461960, 15692940, 31385880]

約数ペア:

[(1, 31385880), (2, 15692940), (3, 10461960), (4, 7846470), (5, 6277176), (6, 5230980), (8, 3923235), (9, 3487320), (10, 3138588), (12, 2615490), (15, 2092392), (18, 1743660), (20, 1569294), (24, 1307745), (27, 1162440), (30, 1046196), (36, 871830), (40, 784647), (45, 697464), (54, 581220), (60, 523098), (72, 435915), (81, 387480), (90, 348732), (108, 290610), (120, 261549), (135, 232488), (162, 193740), (180, 174366), (216, 145305), (243, 129160), (270, 116244), (324, 96870), (360, 87183), (405, 77496), (486, 64580), (540, 58122), (648, 48435), (810, 38748), (972, 32290), (1080, 29061), (1215, 25832), (1620, 19374), (1944, 16145), (2430, 12916), (3229, 9720), (3240, 9687), (4860, 6458)]