31686720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2572

約数の個数: 112

約数和(自身を含む): 108386880

約数和(自身を除く): 76700160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 2539, 3120, 4160, 5078, 6240, 7617, 10156, 12480, 12695, 15234, 20312, 25390, 30468, 33007, 38085, 40624, 50780, 60936, 66014, 76170, 81248, 99021, 101560, 121872, 132028, 152340, 162496, 165035, 198042, 203120, 243744, 264056, 304680, 330070, 396084, 406240, 487488, 495105, 528112, 609360, 660140, 792168, 812480, 990210, 1056224, 1218720, 1320280, 1584336, 1980420, 2112448, 2437440, 2640560, 3168672, 3960840, 5281120, 6337344, 7921680, 10562240, 15843360, 31686720]

約数ペア:

[(1, 31686720), (2, 15843360), (3, 10562240), (4, 7921680), (5, 6337344), (6, 5281120), (8, 3960840), (10, 3168672), (12, 2640560), (13, 2437440), (15, 2112448), (16, 1980420), (20, 1584336), (24, 1320280), (26, 1218720), (30, 1056224), (32, 990210), (39, 812480), (40, 792168), (48, 660140), (52, 609360), (60, 528112), (64, 495105), (65, 487488), (78, 406240), (80, 396084), (96, 330070), (104, 304680), (120, 264056), (130, 243744), (156, 203120), (160, 198042), (192, 165035), (195, 162496), (208, 152340), (240, 132028), (260, 121872), (312, 101560), (320, 99021), (390, 81248), (416, 76170), (480, 66014), (520, 60936), (624, 50780), (780, 40624), (832, 38085), (960, 33007), (1040, 30468), (1248, 25390), (1560, 20312), (2080, 15234), (2496, 12695), (2539, 12480), (3120, 10156), (4160, 7617), (5078, 6240)]