15311700280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:777

約数の個数: 128

約数和(自身を含む): 35781192000

約数和(自身を除く): 20469491720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 229, 244, 268, 305, 335, 409, 458, 488, 536, 610, 670, 818, 916, 1145, 1220, 1340, 1636, 1832, 2045, 2290, 2440, 2680, 3272, 4087, 4090, 4580, 8174, 8180, 9160, 13969, 15343, 16348, 16360, 20435, 24949, 27403, 27938, 30686, 32696, 40870, 49898, 54806, 55876, 61372, 69845, 76715, 81740, 93661, 99796, 109612, 111752, 122744, 124745, 137015, 139690, 153430, 163480, 187322, 199592, 219224, 249490, 274030, 279380, 306860, 374644, 468305, 498980, 548060, 558760, 613720, 749288, 935923, 936610, 997960, 1096120, 1671583, 1871846, 1873220, 3343166, 3743692, 3746440, 4679615, 5713321, 6275287, 6686332, 7487384, 8357915, 9359230, 11426642, 12550574, 13372664, 16715830, 18718460, 22853284, 25101148, 28566605, 31376435, 33431660, 37436920, 45706568, 50202296, 57133210, 62752870, 66863320, 114266420, 125505740, 228532840, 251011480, 382792507, 765585014, 1531170028, 1913962535, 3062340056, 3827925070, 7655850140, 15311700280]

約数ペア:

[(1, 15311700280), (2, 7655850140), (4, 3827925070), (5, 3062340056), (8, 1913962535), (10, 1531170028), (20, 765585014), (40, 382792507), (61, 251011480), (67, 228532840), (122, 125505740), (134, 114266420), (229, 66863320), (244, 62752870), (268, 57133210), (305, 50202296), (335, 45706568), (409, 37436920), (458, 33431660), (488, 31376435), (536, 28566605), (610, 25101148), (670, 22853284), (818, 18718460), (916, 16715830), (1145, 13372664), (1220, 12550574), (1340, 11426642), (1636, 9359230), (1832, 8357915), (2045, 7487384), (2290, 6686332), (2440, 6275287), (2680, 5713321), (3272, 4679615), (4087, 3746440), (4090, 3743692), (4580, 3343166), (8174, 1873220), (8180, 1871846), (9160, 1671583), (13969, 1096120), (15343, 997960), (16348, 936610), (16360, 935923), (20435, 749288), (24949, 613720), (27403, 558760), (27938, 548060), (30686, 498980), (32696, 468305), (40870, 374644), (49898, 306860), (54806, 279380), (55876, 274030), (61372, 249490), (69845, 219224), (76715, 199592), (81740, 187322), (93661, 163480), (99796, 153430), (109612, 139690), (111752, 137015), (122744, 124745)]