42278490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 122135040

約数和(自身を除く): 79856550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 61, 85, 90, 102, 122, 135, 151, 153, 170, 183, 255, 270, 302, 305, 306, 366, 453, 459, 510, 549, 610, 755, 765, 906, 915, 918, 1037, 1098, 1359, 1510, 1530, 1647, 1830, 2074, 2265, 2295, 2567, 2718, 2745, 3111, 3294, 4077, 4530, 4590, 5134, 5185, 5490, 6222, 6795, 7701, 8154, 8235, 9211, 9333, 10370, 12835, 13590, 15402, 15555, 16470, 18422, 18666, 20385, 23103, 25670, 27633, 27999, 31110, 38505, 40770, 46055, 46206, 46665, 55266, 55998, 69309, 77010, 82899, 92110, 93330, 115515, 138165, 138618, 139995, 156587, 165798, 231030, 248697, 276330, 279990, 313174, 346545, 414495, 469761, 497394, 693090, 782935, 828990, 939522, 1243485, 1409283, 1565870, 2348805, 2486970, 2818566, 4227849, 4697610, 7046415, 8455698, 14092830, 21139245, 42278490]

約数ペア:

[(1, 42278490), (2, 21139245), (3, 14092830), (5, 8455698), (6, 7046415), (9, 4697610), (10, 4227849), (15, 2818566), (17, 2486970), (18, 2348805), (27, 1565870), (30, 1409283), (34, 1243485), (45, 939522), (51, 828990), (54, 782935), (61, 693090), (85, 497394), (90, 469761), (102, 414495), (122, 346545), (135, 313174), (151, 279990), (153, 276330), (170, 248697), (183, 231030), (255, 165798), (270, 156587), (302, 139995), (305, 138618), (306, 138165), (366, 115515), (453, 93330), (459, 92110), (510, 82899), (549, 77010), (610, 69309), (755, 55998), (765, 55266), (906, 46665), (915, 46206), (918, 46055), (1037, 40770), (1098, 38505), (1359, 31110), (1510, 27999), (1530, 27633), (1647, 25670), (1830, 23103), (2074, 20385), (2265, 18666), (2295, 18422), (2567, 16470), (2718, 15555), (2745, 15402), (3111, 13590), (3294, 12835), (4077, 10370), (4530, 9333), (4590, 9211), (5134, 8235), (5185, 8154), (5490, 7701), (6222, 6795)]