987802020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2319

約数の個数: 192

約数和(自身を含む): 3311616000

約数和(自身を除く): 2323813980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 43, 45, 54, 57, 60, 76, 86, 90, 95, 108, 114, 129, 135, 171, 172, 180, 190, 215, 228, 258, 270, 285, 342, 380, 387, 430, 513, 516, 540, 570, 645, 684, 774, 817, 855, 860, 1026, 1140, 1161, 1290, 1548, 1634, 1710, 1935, 2052, 2239, 2322, 2451, 2565, 2580, 3268, 3420, 3870, 4085, 4478, 4644, 4902, 5130, 5805, 6717, 7353, 7740, 8170, 8956, 9804, 10260, 11195, 11610, 12255, 13434, 14706, 16340, 20151, 22059, 22390, 23220, 24510, 26868, 29412, 33585, 36765, 40302, 42541, 44118, 44780, 49020, 60453, 67170, 73530, 80604, 85082, 88236, 96277, 100755, 110295, 120906, 127623, 134340, 147060, 170164, 192554, 201510, 212705, 220590, 241812, 255246, 288831, 302265, 382869, 385108, 403020, 425410, 441180, 481385, 510492, 577662, 604530, 638115, 765738, 850820, 866493, 962770, 1148607, 1155324, 1209060, 1276230, 1444155, 1531476, 1732986, 1829263, 1914345, 1925540, 2297214, 2552460, 2599479, 2888310, 3465972, 3658526, 3828690, 4332465, 4594428, 5198958, 5487789, 5743035, 5776620, 7317052, 7657380, 8664930, 9146315, 10397916, 10975578, 11486070, 12997395, 16463367, 17329860, 18292630, 21951156, 22972140, 25994790, 27438945, 32926734, 36585260, 49390101, 51989580, 54877890, 65853468, 82316835, 98780202, 109755780, 164633670, 197560404, 246950505, 329267340, 493901010, 987802020]

約数ペア:

[(1, 987802020), (2, 493901010), (3, 329267340), (4, 246950505), (5, 197560404), (6, 164633670), (9, 109755780), (10, 98780202), (12, 82316835), (15, 65853468), (18, 54877890), (19, 51989580), (20, 49390101), (27, 36585260), (30, 32926734), (36, 27438945), (38, 25994790), (43, 22972140), (45, 21951156), (54, 18292630), (57, 17329860), (60, 16463367), (76, 12997395), (86, 11486070), (90, 10975578), (95, 10397916), (108, 9146315), (114, 8664930), (129, 7657380), (135, 7317052), (171, 5776620), (172, 5743035), (180, 5487789), (190, 5198958), (215, 4594428), (228, 4332465), (258, 3828690), (270, 3658526), (285, 3465972), (342, 2888310), (380, 2599479), (387, 2552460), (430, 2297214), (513, 1925540), (516, 1914345), (540, 1829263), (570, 1732986), (645, 1531476), (684, 1444155), (774, 1276230), (817, 1209060), (855, 1155324), (860, 1148607), (1026, 962770), (1140, 866493), (1161, 850820), (1290, 765738), (1548, 638115), (1634, 604530), (1710, 577662), (1935, 510492), (2052, 481385), (2239, 441180), (2322, 425410), (2451, 403020), (2565, 385108), (2580, 382869), (3268, 302265), (3420, 288831), (3870, 255246), (4085, 241812), (4478, 220590), (4644, 212705), (4902, 201510), (5130, 192554), (5805, 170164), (6717, 147060), (7353, 134340), (7740, 127623), (8170, 120906), (8956, 110295), (9804, 100755), (10260, 96277), (11195, 88236), (11610, 85082), (12255, 80604), (13434, 73530), (14706, 67170), (16340, 60453), (20151, 49020), (22059, 44780), (22390, 44118), (23220, 42541), (24510, 40302), (26868, 36765), (29412, 33585)]