123928740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 408373056

約数和(自身を除く): 284444316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 211, 234, 251, 260, 390, 422, 468, 502, 585, 633, 753, 780, 844, 1004, 1055, 1170, 1255, 1266, 1506, 1899, 2110, 2259, 2340, 2510, 2532, 2743, 3012, 3165, 3263, 3765, 3798, 4220, 4518, 5020, 5486, 6330, 6526, 7530, 7596, 8229, 9036, 9495, 9789, 10972, 11295, 12660, 13052, 13715, 15060, 16315, 16458, 18990, 19578, 22590, 24687, 27430, 29367, 32630, 32916, 37980, 39156, 41145, 45180, 48945, 49374, 52961, 54860, 58734, 65260, 82290, 97890, 98748, 105922, 117468, 123435, 146835, 158883, 164580, 195780, 211844, 246870, 264805, 293670, 317766, 476649, 493740, 529610, 587340, 635532, 688493, 794415, 953298, 1059220, 1376986, 1588830, 1906596, 2065479, 2383245, 2753972, 3177660, 3442465, 4130958, 4766490, 6196437, 6884930, 8261916, 9532980, 10327395, 12392874, 13769860, 20654790, 24785748, 30982185, 41309580, 61964370, 123928740]

約数ペア:

[(1, 123928740), (2, 61964370), (3, 41309580), (4, 30982185), (5, 24785748), (6, 20654790), (9, 13769860), (10, 12392874), (12, 10327395), (13, 9532980), (15, 8261916), (18, 6884930), (20, 6196437), (26, 4766490), (30, 4130958), (36, 3442465), (39, 3177660), (45, 2753972), (52, 2383245), (60, 2065479), (65, 1906596), (78, 1588830), (90, 1376986), (117, 1059220), (130, 953298), (156, 794415), (180, 688493), (195, 635532), (211, 587340), (234, 529610), (251, 493740), (260, 476649), (390, 317766), (422, 293670), (468, 264805), (502, 246870), (585, 211844), (633, 195780), (753, 164580), (780, 158883), (844, 146835), (1004, 123435), (1055, 117468), (1170, 105922), (1255, 98748), (1266, 97890), (1506, 82290), (1899, 65260), (2110, 58734), (2259, 54860), (2340, 52961), (2510, 49374), (2532, 48945), (2743, 45180), (3012, 41145), (3165, 39156), (3263, 37980), (3765, 32916), (3798, 32630), (4220, 29367), (4518, 27430), (5020, 24687), (5486, 22590), (6330, 19578), (6526, 18990), (7530, 16458), (7596, 16315), (8229, 15060), (9036, 13715), (9495, 13052), (9789, 12660), (10972, 11295)]