121991490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1224

約数の個数: 96

約数和(自身を含む): 340868736

約数和(自身を除く): 218877246

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 71, 85, 90, 102, 142, 153, 170, 213, 255, 306, 355, 426, 510, 639, 710, 765, 1065, 1123, 1207, 1278, 1530, 2130, 2246, 2414, 3195, 3369, 3621, 5615, 6035, 6390, 6738, 7242, 10107, 10863, 11230, 12070, 16845, 18105, 19091, 20214, 21726, 33690, 36210, 38182, 50535, 54315, 57273, 79733, 95455, 101070, 108630, 114546, 159466, 171819, 190910, 239199, 286365, 343638, 398665, 478398, 572730, 717597, 797330, 859095, 1195995, 1355461, 1435194, 1718190, 2391990, 2710922, 3587985, 4066383, 6777305, 7175970, 8132766, 12199149, 13554610, 20331915, 24398298, 40663830, 60995745, 121991490]

約数ペア:

[(1, 121991490), (2, 60995745), (3, 40663830), (5, 24398298), (6, 20331915), (9, 13554610), (10, 12199149), (15, 8132766), (17, 7175970), (18, 6777305), (30, 4066383), (34, 3587985), (45, 2710922), (51, 2391990), (71, 1718190), (85, 1435194), (90, 1355461), (102, 1195995), (142, 859095), (153, 797330), (170, 717597), (213, 572730), (255, 478398), (306, 398665), (355, 343638), (426, 286365), (510, 239199), (639, 190910), (710, 171819), (765, 159466), (1065, 114546), (1123, 108630), (1207, 101070), (1278, 95455), (1530, 79733), (2130, 57273), (2246, 54315), (2414, 50535), (3195, 38182), (3369, 36210), (3621, 33690), (5615, 21726), (6035, 20214), (6390, 19091), (6738, 18105), (7242, 16845), (10107, 12070), (10863, 11230)]