28312920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 98841600

約数和(自身を除く): 70528680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 43, 45, 59, 60, 62, 72, 86, 90, 93, 118, 120, 124, 129, 155, 172, 177, 180, 186, 215, 236, 248, 258, 279, 295, 310, 344, 354, 360, 372, 387, 430, 465, 472, 516, 531, 558, 590, 620, 645, 708, 744, 774, 860, 885, 930, 1032, 1062, 1116, 1180, 1240, 1290, 1333, 1395, 1416, 1548, 1720, 1770, 1829, 1860, 1935, 2124, 2232, 2360, 2537, 2580, 2655, 2666, 2790, 3096, 3540, 3658, 3720, 3870, 3999, 4248, 5074, 5160, 5310, 5332, 5487, 5580, 6665, 7080, 7316, 7611, 7740, 7998, 9145, 10148, 10620, 10664, 10974, 11160, 11997, 12685, 13330, 14632, 15222, 15480, 15996, 16461, 18290, 19995, 20296, 21240, 21948, 22833, 23994, 25370, 26660, 27435, 30444, 31992, 32922, 36580, 38055, 39990, 43896, 45666, 47988, 50740, 53320, 54870, 59985, 60888, 65844, 73160, 76110, 78647, 79980, 82305, 91332, 95976, 101480, 109740, 114165, 119970, 131688, 152220, 157294, 159960, 164610, 182664, 219480, 228330, 235941, 239940, 304440, 314588, 329220, 393235, 456660, 471882, 479880, 629176, 658440, 707823, 786470, 913320, 943764, 1179705, 1415646, 1572940, 1887528, 2359410, 2831292, 3145880, 3539115, 4718820, 5662584, 7078230, 9437640, 14156460, 28312920]

約数ペア:

[(1, 28312920), (2, 14156460), (3, 9437640), (4, 7078230), (5, 5662584), (6, 4718820), (8, 3539115), (9, 3145880), (10, 2831292), (12, 2359410), (15, 1887528), (18, 1572940), (20, 1415646), (24, 1179705), (30, 943764), (31, 913320), (36, 786470), (40, 707823), (43, 658440), (45, 629176), (59, 479880), (60, 471882), (62, 456660), (72, 393235), (86, 329220), (90, 314588), (93, 304440), (118, 239940), (120, 235941), (124, 228330), (129, 219480), (155, 182664), (172, 164610), (177, 159960), (180, 157294), (186, 152220), (215, 131688), (236, 119970), (248, 114165), (258, 109740), (279, 101480), (295, 95976), (310, 91332), (344, 82305), (354, 79980), (360, 78647), (372, 76110), (387, 73160), (430, 65844), (465, 60888), (472, 59985), (516, 54870), (531, 53320), (558, 50740), (590, 47988), (620, 45666), (645, 43896), (708, 39990), (744, 38055), (774, 36580), (860, 32922), (885, 31992), (930, 30444), (1032, 27435), (1062, 26660), (1116, 25370), (1180, 23994), (1240, 22833), (1290, 21948), (1333, 21240), (1395, 20296), (1416, 19995), (1548, 18290), (1720, 16461), (1770, 15996), (1829, 15480), (1860, 15222), (1935, 14632), (2124, 13330), (2232, 12685), (2360, 11997), (2537, 11160), (2580, 10974), (2655, 10664), (2666, 10620), (2790, 10148), (3096, 9145), (3540, 7998), (3658, 7740), (3720, 7611), (3870, 7316), (3999, 7080), (4248, 6665), (5074, 5580), (5160, 5487), (5310, 5332)]