51830480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 142074240

約数和(自身を除く): 90243760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 43, 52, 61, 65, 76, 80, 86, 95, 104, 122, 130, 152, 172, 190, 208, 215, 244, 247, 260, 304, 305, 344, 380, 430, 488, 494, 520, 559, 610, 688, 760, 793, 817, 860, 976, 988, 1040, 1118, 1159, 1220, 1235, 1520, 1586, 1634, 1720, 1976, 2236, 2318, 2440, 2470, 2623, 2795, 3172, 3268, 3440, 3952, 3965, 4085, 4472, 4636, 4880, 4940, 5246, 5590, 5795, 6344, 6536, 7930, 8170, 8944, 9272, 9880, 10492, 10621, 11180, 11590, 12688, 13072, 13115, 15067, 15860, 16340, 18544, 19760, 20984, 21242, 22360, 23180, 26230, 30134, 31720, 32680, 34099, 41968, 42484, 44720, 46360, 49837, 52460, 53105, 60268, 63440, 65360, 68198, 75335, 84968, 92720, 99674, 104920, 106210, 120536, 136396, 150670, 169936, 170495, 199348, 209840, 212420, 241072, 249185, 272792, 301340, 340990, 398696, 424840, 498370, 545584, 602680, 647881, 681980, 797392, 849680, 996740, 1205360, 1295762, 1363960, 1993480, 2591524, 2727920, 3239405, 3986960, 5183048, 6478810, 10366096, 12957620, 25915240, 51830480]

約数ペア:

[(1, 51830480), (2, 25915240), (4, 12957620), (5, 10366096), (8, 6478810), (10, 5183048), (13, 3986960), (16, 3239405), (19, 2727920), (20, 2591524), (26, 1993480), (38, 1363960), (40, 1295762), (43, 1205360), (52, 996740), (61, 849680), (65, 797392), (76, 681980), (80, 647881), (86, 602680), (95, 545584), (104, 498370), (122, 424840), (130, 398696), (152, 340990), (172, 301340), (190, 272792), (208, 249185), (215, 241072), (244, 212420), (247, 209840), (260, 199348), (304, 170495), (305, 169936), (344, 150670), (380, 136396), (430, 120536), (488, 106210), (494, 104920), (520, 99674), (559, 92720), (610, 84968), (688, 75335), (760, 68198), (793, 65360), (817, 63440), (860, 60268), (976, 53105), (988, 52460), (1040, 49837), (1118, 46360), (1159, 44720), (1220, 42484), (1235, 41968), (1520, 34099), (1586, 32680), (1634, 31720), (1720, 30134), (1976, 26230), (2236, 23180), (2318, 22360), (2440, 21242), (2470, 20984), (2623, 19760), (2795, 18544), (3172, 16340), (3268, 15860), (3440, 15067), (3952, 13115), (3965, 13072), (4085, 12688), (4472, 11590), (4636, 11180), (4880, 10621), (4940, 10492), (5246, 9880), (5590, 9272), (5795, 8944), (6344, 8170), (6536, 7930)]