82439820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19913}}^1$

素因数の和:19951

約数の個数: 72

約数和(自身を含む): 260953056

約数和(自身を除く): 178513236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19913, 39826, 59739, 79652, 99565, 119478, 179217, 199130, 238956, 298695, 358434, 398260, 457999, 597390, 716868, 896085, 915998, 1194780, 1373997, 1792170, 1831996, 2289995, 2747994, 3584340, 4121991, 4579990, 5495988, 6869985, 8243982, 9159980, 13739970, 16487964, 20609955, 27479940, 41219910, 82439820]

約数ペア:

[(1, 82439820), (2, 41219910), (3, 27479940), (4, 20609955), (5, 16487964), (6, 13739970), (9, 9159980), (10, 8243982), (12, 6869985), (15, 5495988), (18, 4579990), (20, 4121991), (23, 3584340), (30, 2747994), (36, 2289995), (45, 1831996), (46, 1792170), (60, 1373997), (69, 1194780), (90, 915998), (92, 896085), (115, 716868), (138, 597390), (180, 457999), (207, 398260), (230, 358434), (276, 298695), (345, 238956), (414, 199130), (460, 179217), (690, 119478), (828, 99565), (1035, 79652), (1380, 59739), (2070, 39826), (4140, 19913)]