81879360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:173

約数の個数: 168

約数和(自身を含む): 277794720

約数和(自身を除く): 195915360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 67, 76, 80, 95, 96, 114, 120, 134, 152, 160, 190, 192, 201, 228, 240, 268, 285, 304, 320, 335, 380, 402, 456, 480, 536, 570, 608, 670, 760, 804, 912, 960, 1005, 1072, 1140, 1216, 1273, 1340, 1520, 1608, 1824, 2010, 2144, 2280, 2546, 2680, 3040, 3216, 3648, 3819, 4020, 4288, 4489, 4560, 5092, 5360, 6080, 6365, 6432, 7638, 8040, 8978, 9120, 10184, 10720, 12730, 12864, 13467, 15276, 16080, 17956, 18240, 19095, 20368, 21440, 22445, 25460, 26934, 30552, 32160, 35912, 38190, 40736, 44890, 50920, 53868, 61104, 64320, 67335, 71824, 76380, 81472, 85291, 89780, 101840, 107736, 122208, 134670, 143648, 152760, 170582, 179560, 203680, 215472, 244416, 255873, 269340, 287296, 305520, 341164, 359120, 407360, 426455, 430944, 511746, 538680, 611040, 682328, 718240, 852910, 861888, 1023492, 1077360, 1222080, 1279365, 1364656, 1436480, 1705820, 2046984, 2154720, 2558730, 2729312, 3411640, 4093968, 4309440, 5117460, 5458624, 6823280, 8187936, 10234920, 13646560, 16375872, 20469840, 27293120, 40939680, 81879360]

約数ペア:

[(1, 81879360), (2, 40939680), (3, 27293120), (4, 20469840), (5, 16375872), (6, 13646560), (8, 10234920), (10, 8187936), (12, 6823280), (15, 5458624), (16, 5117460), (19, 4309440), (20, 4093968), (24, 3411640), (30, 2729312), (32, 2558730), (38, 2154720), (40, 2046984), (48, 1705820), (57, 1436480), (60, 1364656), (64, 1279365), (67, 1222080), (76, 1077360), (80, 1023492), (95, 861888), (96, 852910), (114, 718240), (120, 682328), (134, 611040), (152, 538680), (160, 511746), (190, 430944), (192, 426455), (201, 407360), (228, 359120), (240, 341164), (268, 305520), (285, 287296), (304, 269340), (320, 255873), (335, 244416), (380, 215472), (402, 203680), (456, 179560), (480, 170582), (536, 152760), (570, 143648), (608, 134670), (670, 122208), (760, 107736), (804, 101840), (912, 89780), (960, 85291), (1005, 81472), (1072, 76380), (1140, 71824), (1216, 67335), (1273, 64320), (1340, 61104), (1520, 53868), (1608, 50920), (1824, 44890), (2010, 40736), (2144, 38190), (2280, 35912), (2546, 32160), (2680, 30552), (3040, 26934), (3216, 25460), (3648, 22445), (3819, 21440), (4020, 20368), (4288, 19095), (4489, 18240), (4560, 17956), (5092, 16080), (5360, 15276), (6080, 13467), (6365, 12864), (6432, 12730), (7638, 10720), (8040, 10184), (8978, 9120)]