84162520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 136468520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 227, 230, 248, 260, 299, 310, 403, 454, 460, 520, 598, 620, 713, 806, 908, 920, 1135, 1196, 1240, 1426, 1495, 1612, 1816, 2015, 2270, 2392, 2852, 2951, 2990, 3224, 3565, 4030, 4540, 5221, 5704, 5902, 5980, 7037, 7130, 8060, 9080, 9269, 10442, 11804, 11960, 14074, 14260, 14755, 16120, 18538, 20884, 23608, 26105, 28148, 28520, 29510, 35185, 37076, 41768, 46345, 52210, 56296, 59020, 67873, 70370, 74152, 91481, 92690, 104420, 118040, 135746, 140740, 161851, 182962, 185380, 208840, 271492, 281480, 323702, 339365, 365924, 370760, 457405, 542984, 647404, 678730, 731848, 809255, 914810, 1294808, 1357460, 1618510, 1829620, 2104063, 2714920, 3237020, 3659240, 4208126, 6474040, 8416252, 10520315, 16832504, 21040630, 42081260, 84162520]

約数ペア:

[(1, 84162520), (2, 42081260), (4, 21040630), (5, 16832504), (8, 10520315), (10, 8416252), (13, 6474040), (20, 4208126), (23, 3659240), (26, 3237020), (31, 2714920), (40, 2104063), (46, 1829620), (52, 1618510), (62, 1357460), (65, 1294808), (92, 914810), (104, 809255), (115, 731848), (124, 678730), (130, 647404), (155, 542984), (184, 457405), (227, 370760), (230, 365924), (248, 339365), (260, 323702), (299, 281480), (310, 271492), (403, 208840), (454, 185380), (460, 182962), (520, 161851), (598, 140740), (620, 135746), (713, 118040), (806, 104420), (908, 92690), (920, 91481), (1135, 74152), (1196, 70370), (1240, 67873), (1426, 59020), (1495, 56296), (1612, 52210), (1816, 46345), (2015, 41768), (2270, 37076), (2392, 35185), (2852, 29510), (2951, 28520), (2990, 28148), (3224, 26105), (3565, 23608), (4030, 20884), (4540, 18538), (5221, 16120), (5704, 14755), (5902, 14260), (5980, 14074), (7037, 11960), (7130, 11804), (8060, 10442), (9080, 9269)]