621854640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78517}}^1$

素因数の和:78547

約数の個数: 120

約数和(自身を含む): 2278278288

約数和(自身を除く): 1656423648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 78517, 157034, 235551, 314068, 392585, 471102, 628136, 706653, 785170, 863687, 942204, 1177755, 1256272, 1413306, 1570340, 1727374, 1884408, 2355510, 2591061, 2826612, 3140680, 3454748, 3533265, 3768816, 4318435, 4711020, 5182122, 5653224, 6281360, 6909496, 7066530, 7773183, 8636870, 9422040, 10364244, 11306448, 12955305, 13818992, 14133060, 15546366, 17273740, 18844080, 20728488, 25910610, 28266120, 31092732, 34547480, 38865915, 41456976, 51821220, 56532240, 62185464, 69094960, 77731830, 103642440, 124370928, 155463660, 207284880, 310927320, 621854640]

約数ペア:

[(1, 621854640), (2, 310927320), (3, 207284880), (4, 155463660), (5, 124370928), (6, 103642440), (8, 77731830), (9, 69094960), (10, 62185464), (11, 56532240), (12, 51821220), (15, 41456976), (16, 38865915), (18, 34547480), (20, 31092732), (22, 28266120), (24, 25910610), (30, 20728488), (33, 18844080), (36, 17273740), (40, 15546366), (44, 14133060), (45, 13818992), (48, 12955305), (55, 11306448), (60, 10364244), (66, 9422040), (72, 8636870), (80, 7773183), (88, 7066530), (90, 6909496), (99, 6281360), (110, 5653224), (120, 5182122), (132, 4711020), (144, 4318435), (165, 3768816), (176, 3533265), (180, 3454748), (198, 3140680), (220, 2826612), (240, 2591061), (264, 2355510), (330, 1884408), (360, 1727374), (396, 1570340), (440, 1413306), (495, 1256272), (528, 1177755), (660, 942204), (720, 863687), (792, 785170), (880, 706653), (990, 628136), (1320, 471102), (1584, 392585), (1980, 314068), (2640, 235551), (3960, 157034), (7920, 78517)]