215054820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 670990320

約数和(自身を除く): 455935500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 109, 113, 180, 194, 218, 226, 291, 327, 339, 388, 436, 452, 485, 545, 565, 582, 654, 678, 873, 970, 981, 1017, 1090, 1130, 1164, 1308, 1356, 1455, 1635, 1695, 1746, 1940, 1962, 2034, 2180, 2260, 2910, 3270, 3390, 3492, 3924, 4068, 4365, 4905, 5085, 5820, 6540, 6780, 8730, 9810, 10170, 10573, 10961, 12317, 17460, 19620, 20340, 21146, 21922, 24634, 31719, 32883, 36951, 42292, 43844, 49268, 52865, 54805, 61585, 63438, 65766, 73902, 95157, 98649, 105730, 109610, 110853, 123170, 126876, 131532, 147804, 158595, 164415, 184755, 190314, 197298, 211460, 219220, 221706, 246340, 317190, 328830, 369510, 380628, 394596, 443412, 475785, 493245, 554265, 634380, 657660, 739020, 951570, 986490, 1108530, 1194749, 1903140, 1972980, 2217060, 2389498, 3584247, 4778996, 5973745, 7168494, 10752741, 11947490, 14336988, 17921235, 21505482, 23894980, 35842470, 43010964, 53763705, 71684940, 107527410, 215054820]

約数ペア:

[(1, 215054820), (2, 107527410), (3, 71684940), (4, 53763705), (5, 43010964), (6, 35842470), (9, 23894980), (10, 21505482), (12, 17921235), (15, 14336988), (18, 11947490), (20, 10752741), (30, 7168494), (36, 5973745), (45, 4778996), (60, 3584247), (90, 2389498), (97, 2217060), (109, 1972980), (113, 1903140), (180, 1194749), (194, 1108530), (218, 986490), (226, 951570), (291, 739020), (327, 657660), (339, 634380), (388, 554265), (436, 493245), (452, 475785), (485, 443412), (545, 394596), (565, 380628), (582, 369510), (654, 328830), (678, 317190), (873, 246340), (970, 221706), (981, 219220), (1017, 211460), (1090, 197298), (1130, 190314), (1164, 184755), (1308, 164415), (1356, 158595), (1455, 147804), (1635, 131532), (1695, 126876), (1746, 123170), (1940, 110853), (1962, 109610), (2034, 105730), (2180, 98649), (2260, 95157), (2910, 73902), (3270, 65766), (3390, 63438), (3492, 61585), (3924, 54805), (4068, 52865), (4365, 49268), (4905, 43844), (5085, 42292), (5820, 36951), (6540, 32883), (6780, 31719), (8730, 24634), (9810, 21922), (10170, 21146), (10573, 20340), (10961, 19620), (12317, 17460)]