31796640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 144

約数和(自身を含む): 110388096

約数和(自身を除く): 78591456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 311, 355, 360, 426, 480, 568, 622, 639, 710, 720, 852, 933, 1065, 1136, 1244, 1278, 1420, 1440, 1555, 1704, 1866, 2130, 2272, 2488, 2556, 2799, 2840, 3110, 3195, 3408, 3732, 4260, 4665, 4976, 5112, 5598, 5680, 6220, 6390, 6816, 7464, 8520, 9330, 9952, 10224, 11196, 11360, 12440, 12780, 13995, 14928, 17040, 18660, 20448, 22081, 22392, 24880, 25560, 27990, 29856, 34080, 37320, 44162, 44784, 49760, 51120, 55980, 66243, 74640, 88324, 89568, 102240, 110405, 111960, 132486, 149280, 176648, 198729, 220810, 223920, 264972, 331215, 353296, 397458, 441620, 447840, 529944, 662430, 706592, 794916, 883240, 993645, 1059888, 1324860, 1589832, 1766480, 1987290, 2119776, 2649720, 3179664, 3532960, 3974580, 5299440, 6359328, 7949160, 10598880, 15898320, 31796640]

約数ペア:

[(1, 31796640), (2, 15898320), (3, 10598880), (4, 7949160), (5, 6359328), (6, 5299440), (8, 3974580), (9, 3532960), (10, 3179664), (12, 2649720), (15, 2119776), (16, 1987290), (18, 1766480), (20, 1589832), (24, 1324860), (30, 1059888), (32, 993645), (36, 883240), (40, 794916), (45, 706592), (48, 662430), (60, 529944), (71, 447840), (72, 441620), (80, 397458), (90, 353296), (96, 331215), (120, 264972), (142, 223920), (144, 220810), (160, 198729), (180, 176648), (213, 149280), (240, 132486), (284, 111960), (288, 110405), (311, 102240), (355, 89568), (360, 88324), (426, 74640), (480, 66243), (568, 55980), (622, 51120), (639, 49760), (710, 44784), (720, 44162), (852, 37320), (933, 34080), (1065, 29856), (1136, 27990), (1244, 25560), (1278, 24880), (1420, 22392), (1440, 22081), (1555, 20448), (1704, 18660), (1866, 17040), (2130, 14928), (2272, 13995), (2488, 12780), (2556, 12440), (2799, 11360), (2840, 11196), (3110, 10224), (3195, 9952), (3408, 9330), (3732, 8520), (4260, 7464), (4665, 6816), (4976, 6390), (5112, 6220), (5598, 5680)]