30819810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 91445760

約数和(自身を除く): 60625950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 89, 97, 102, 105, 119, 170, 178, 194, 210, 238, 255, 267, 291, 357, 445, 485, 510, 534, 582, 595, 623, 679, 714, 890, 970, 1190, 1246, 1335, 1358, 1455, 1513, 1649, 1785, 1869, 2037, 2670, 2910, 3026, 3115, 3298, 3395, 3570, 3738, 4074, 4539, 4947, 6230, 6790, 7565, 8245, 8633, 9078, 9345, 9894, 10185, 10591, 11543, 15130, 16490, 17266, 18690, 20370, 21182, 22695, 23086, 24735, 25899, 31773, 34629, 43165, 45390, 49470, 51798, 52955, 57715, 60431, 63546, 69258, 86330, 105910, 115430, 120862, 129495, 146761, 158865, 173145, 181293, 258990, 293522, 302155, 317730, 346290, 362586, 440283, 604310, 733805, 880566, 906465, 1027327, 1467610, 1812930, 2054654, 2201415, 3081981, 4402830, 5136635, 6163962, 10273270, 15409905, 30819810]

約数ペア:

[(1, 30819810), (2, 15409905), (3, 10273270), (5, 6163962), (6, 5136635), (7, 4402830), (10, 3081981), (14, 2201415), (15, 2054654), (17, 1812930), (21, 1467610), (30, 1027327), (34, 906465), (35, 880566), (42, 733805), (51, 604310), (70, 440283), (85, 362586), (89, 346290), (97, 317730), (102, 302155), (105, 293522), (119, 258990), (170, 181293), (178, 173145), (194, 158865), (210, 146761), (238, 129495), (255, 120862), (267, 115430), (291, 105910), (357, 86330), (445, 69258), (485, 63546), (510, 60431), (534, 57715), (582, 52955), (595, 51798), (623, 49470), (679, 45390), (714, 43165), (890, 34629), (970, 31773), (1190, 25899), (1246, 24735), (1335, 23086), (1358, 22695), (1455, 21182), (1513, 20370), (1649, 18690), (1785, 17266), (1869, 16490), (2037, 15130), (2670, 11543), (2910, 10591), (3026, 10185), (3115, 9894), (3298, 9345), (3395, 9078), (3570, 8633), (3738, 8245), (4074, 7565), (4539, 6790), (4947, 6230)]