81689760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 288

約数和(自身を含む): 305690112

約数和(自身を除く): 224000352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 47, 48, 51, 60, 68, 71, 72, 80, 85, 90, 94, 96, 102, 120, 136, 141, 142, 144, 153, 160, 170, 180, 188, 204, 213, 235, 240, 255, 272, 282, 284, 288, 306, 340, 355, 360, 376, 408, 423, 426, 470, 480, 510, 544, 564, 568, 612, 639, 680, 705, 710, 720, 752, 765, 799, 816, 846, 852, 940, 1020, 1065, 1128, 1136, 1207, 1224, 1278, 1360, 1410, 1420, 1440, 1504, 1530, 1598, 1632, 1692, 1704, 1880, 2040, 2115, 2130, 2256, 2272, 2397, 2414, 2448, 2556, 2720, 2820, 2840, 3060, 3195, 3196, 3337, 3384, 3408, 3621, 3760, 3995, 4080, 4230, 4260, 4512, 4794, 4828, 4896, 5112, 5640, 5680, 6035, 6120, 6390, 6392, 6674, 6768, 6816, 7191, 7242, 7520, 7990, 8160, 8460, 8520, 9588, 9656, 10011, 10224, 10863, 11280, 11360, 11985, 12070, 12240, 12780, 12784, 13348, 13536, 14382, 14484, 15980, 16685, 16920, 17040, 18105, 19176, 19312, 20022, 20448, 21726, 22560, 23970, 24140, 24480, 25560, 25568, 26696, 28764, 28968, 30033, 31960, 33370, 33840, 34080, 35955, 36210, 38352, 38624, 40044, 43452, 47940, 48280, 50055, 51120, 53392, 54315, 56729, 57528, 57936, 60066, 63920, 66740, 67680, 71910, 72420, 76704, 80088, 86904, 95880, 96560, 100110, 102240, 106784, 108630, 113458, 115056, 115872, 120132, 127840, 133480, 143820, 144840, 150165, 160176, 170187, 173808, 191760, 193120, 200220, 217260, 226916, 230112, 240264, 266960, 283645, 287640, 289680, 300330, 320352, 340374, 347616, 383520, 400440, 434520, 453832, 480528, 510561, 533920, 567290, 575280, 579360, 600660, 680748, 800880, 850935, 869040, 907664, 961056, 1021122, 1134580, 1150560, 1201320, 1361496, 1601760, 1701870, 1738080, 1815328, 2042244, 2269160, 2402640, 2552805, 2722992, 3403740, 4084488, 4538320, 4805280, 5105610, 5445984, 6807480, 8168976, 9076640, 10211220, 13614960, 16337952, 20422440, 27229920, 40844880, 81689760]

約数ペア:

[(1, 81689760), (2, 40844880), (3, 27229920), (4, 20422440), (5, 16337952), (6, 13614960), (8, 10211220), (9, 9076640), (10, 8168976), (12, 6807480), (15, 5445984), (16, 5105610), (17, 4805280), (18, 4538320), (20, 4084488), (24, 3403740), (30, 2722992), (32, 2552805), (34, 2402640), (36, 2269160), (40, 2042244), (45, 1815328), (47, 1738080), (48, 1701870), (51, 1601760), (60, 1361496), (68, 1201320), (71, 1150560), (72, 1134580), (80, 1021122), (85, 961056), (90, 907664), (94, 869040), (96, 850935), (102, 800880), (120, 680748), (136, 600660), (141, 579360), (142, 575280), (144, 567290), (153, 533920), (160, 510561), (170, 480528), (180, 453832), (188, 434520), (204, 400440), (213, 383520), (235, 347616), (240, 340374), (255, 320352), (272, 300330), (282, 289680), (284, 287640), (288, 283645), (306, 266960), (340, 240264), (355, 230112), (360, 226916), (376, 217260), (408, 200220), (423, 193120), (426, 191760), (470, 173808), (480, 170187), (510, 160176), (544, 150165), (564, 144840), (568, 143820), (612, 133480), (639, 127840), (680, 120132), (705, 115872), (710, 115056), (720, 113458), (752, 108630), (765, 106784), (799, 102240), (816, 100110), (846, 96560), (852, 95880), (940, 86904), (1020, 80088), (1065, 76704), (1128, 72420), (1136, 71910), (1207, 67680), (1224, 66740), (1278, 63920), (1360, 60066), (1410, 57936), (1420, 57528), (1440, 56729), (1504, 54315), (1530, 53392), (1598, 51120), (1632, 50055), (1692, 48280), (1704, 47940), (1880, 43452), (2040, 40044), (2115, 38624), (2130, 38352), (2256, 36210), (2272, 35955), (2397, 34080), (2414, 33840), (2448, 33370), (2556, 31960), (2720, 30033), (2820, 28968), (2840, 28764), (3060, 26696), (3195, 25568), (3196, 25560), (3337, 24480), (3384, 24140), (3408, 23970), (3621, 22560), (3760, 21726), (3995, 20448), (4080, 20022), (4230, 19312), (4260, 19176), (4512, 18105), (4794, 17040), (4828, 16920), (4896, 16685), (5112, 15980), (5640, 14484), (5680, 14382), (6035, 13536), (6120, 13348), (6390, 12784), (6392, 12780), (6674, 12240), (6768, 12070), (6816, 11985), (7191, 11360), (7242, 11280), (7520, 10863), (7990, 10224), (8160, 10011), (8460, 9656), (8520, 9588)]