31819680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1203

約数の個数: 144

約数和(自身を含む): 114397920

約数和(自身を除く): 82578240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1163, 1368, 1440, 1520, 1710, 1824, 2280, 2326, 2736, 3040, 3420, 3489, 4560, 4652, 5472, 5815, 6840, 6978, 9120, 9304, 10467, 11630, 13680, 13956, 17445, 18608, 20934, 22097, 23260, 27360, 27912, 34890, 37216, 41868, 44194, 46520, 52335, 55824, 66291, 69780, 83736, 88388, 93040, 104670, 110485, 111648, 132582, 139560, 167472, 176776, 186080, 198873, 209340, 220970, 265164, 279120, 331455, 334944, 353552, 397746, 418680, 441940, 530328, 558240, 662910, 707104, 795492, 837360, 883880, 994365, 1060656, 1325820, 1590984, 1674720, 1767760, 1988730, 2121312, 2651640, 3181968, 3535520, 3977460, 5303280, 6363936, 7954920, 10606560, 15909840, 31819680]

約数ペア:

[(1, 31819680), (2, 15909840), (3, 10606560), (4, 7954920), (5, 6363936), (6, 5303280), (8, 3977460), (9, 3535520), (10, 3181968), (12, 2651640), (15, 2121312), (16, 1988730), (18, 1767760), (19, 1674720), (20, 1590984), (24, 1325820), (30, 1060656), (32, 994365), (36, 883880), (38, 837360), (40, 795492), (45, 707104), (48, 662910), (57, 558240), (60, 530328), (72, 441940), (76, 418680), (80, 397746), (90, 353552), (95, 334944), (96, 331455), (114, 279120), (120, 265164), (144, 220970), (152, 209340), (160, 198873), (171, 186080), (180, 176776), (190, 167472), (228, 139560), (240, 132582), (285, 111648), (288, 110485), (304, 104670), (342, 93040), (360, 88388), (380, 83736), (456, 69780), (480, 66291), (570, 55824), (608, 52335), (684, 46520), (720, 44194), (760, 41868), (855, 37216), (912, 34890), (1140, 27912), (1163, 27360), (1368, 23260), (1440, 22097), (1520, 20934), (1710, 18608), (1824, 17445), (2280, 13956), (2326, 13680), (2736, 11630), (3040, 10467), (3420, 9304), (3489, 9120), (4560, 6978), (4652, 6840), (5472, 5815)]