204892020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 651635712

約数和(自身を除く): 446743692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 73, 90, 93, 124, 146, 155, 180, 186, 219, 279, 292, 310, 365, 372, 438, 465, 503, 558, 620, 657, 730, 876, 930, 1006, 1095, 1116, 1314, 1395, 1460, 1509, 1860, 2012, 2190, 2263, 2515, 2628, 2790, 3018, 3285, 4380, 4526, 4527, 5030, 5580, 6036, 6570, 6789, 7545, 9052, 9054, 10060, 11315, 13140, 13578, 15090, 15593, 18108, 20367, 22630, 22635, 27156, 30180, 31186, 33945, 36719, 40734, 45260, 45270, 46779, 62372, 67890, 73438, 77965, 81468, 90540, 93558, 101835, 110157, 135780, 140337, 146876, 155930, 183595, 187116, 203670, 220314, 233895, 280674, 311860, 330471, 367190, 407340, 440628, 467790, 550785, 561348, 660942, 701685, 734380, 935580, 1101570, 1138289, 1321884, 1403370, 1652355, 2203140, 2276578, 2806740, 3304710, 3414867, 4553156, 5691445, 6609420, 6829734, 10244601, 11382890, 13659468, 17074335, 20489202, 22765780, 34148670, 40978404, 51223005, 68297340, 102446010, 204892020]

約数ペア:

[(1, 204892020), (2, 102446010), (3, 68297340), (4, 51223005), (5, 40978404), (6, 34148670), (9, 22765780), (10, 20489202), (12, 17074335), (15, 13659468), (18, 11382890), (20, 10244601), (30, 6829734), (31, 6609420), (36, 5691445), (45, 4553156), (60, 3414867), (62, 3304710), (73, 2806740), (90, 2276578), (93, 2203140), (124, 1652355), (146, 1403370), (155, 1321884), (180, 1138289), (186, 1101570), (219, 935580), (279, 734380), (292, 701685), (310, 660942), (365, 561348), (372, 550785), (438, 467790), (465, 440628), (503, 407340), (558, 367190), (620, 330471), (657, 311860), (730, 280674), (876, 233895), (930, 220314), (1006, 203670), (1095, 187116), (1116, 183595), (1314, 155930), (1395, 146876), (1460, 140337), (1509, 135780), (1860, 110157), (2012, 101835), (2190, 93558), (2263, 90540), (2515, 81468), (2628, 77965), (2790, 73438), (3018, 67890), (3285, 62372), (4380, 46779), (4526, 45270), (4527, 45260), (5030, 40734), (5580, 36719), (6036, 33945), (6570, 31186), (6789, 30180), (7545, 27156), (9052, 22635), (9054, 22630), (10060, 20367), (11315, 18108), (13140, 15593), (13578, 15090)]