80609940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19471}}^1$

素因数の和:19509

約数の個数: 72

約数和(自身を含む): 255161088

約数和(自身を除く): 174551148

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, 19471, 38942, 58413, 77884, 97355, 116826, 175239, 194710, 233652, 292065, 350478, 389420, 447833, 584130, 700956, 876195, 895666, 1168260, 1343499, 1752390, 1791332, 2239165, 2686998, 3504780, 4030497, 4478330, 5373996, 6717495, 8060994, 8956660, 13434990, 16121988, 20152485, 26869980, 40304970, 80609940]

約数ペア:

[(1, 80609940), (2, 40304970), (3, 26869980), (4, 20152485), (5, 16121988), (6, 13434990), (9, 8956660), (10, 8060994), (12, 6717495), (15, 5373996), (18, 4478330), (20, 4030497), (23, 3504780), (30, 2686998), (36, 2239165), (45, 1791332), (46, 1752390), (60, 1343499), (69, 1168260), (90, 895666), (92, 876195), (115, 700956), (138, 584130), (180, 447833), (207, 389420), (230, 350478), (276, 292065), (345, 233652), (414, 194710), (460, 175239), (690, 116826), (828, 97355), (1035, 77884), (1380, 58413), (2070, 38942), (4140, 19471)]