561644720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 160

約数和(自身を含む): 1619896320

約数和(自身を除く): 1058251600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 179, 182, 208, 260, 280, 358, 364, 431, 455, 520, 560, 716, 728, 862, 895, 910, 1040, 1253, 1432, 1456, 1724, 1790, 1820, 2155, 2327, 2506, 2864, 3017, 3448, 3580, 3640, 4310, 4654, 5012, 5603, 6034, 6265, 6896, 7160, 7280, 8620, 9308, 10024, 11206, 11635, 12068, 12530, 14320, 15085, 16289, 17240, 18616, 20048, 22412, 23270, 24136, 25060, 28015, 30170, 32578, 34480, 37232, 39221, 44824, 46540, 48272, 50120, 56030, 60340, 65156, 77149, 78442, 81445, 89648, 93080, 100240, 112060, 120680, 130312, 154298, 156884, 162890, 186160, 196105, 224120, 241360, 260624, 308596, 313768, 325780, 385745, 392210, 448240, 540043, 617192, 627536, 651560, 771490, 784420, 1002937, 1080086, 1234384, 1303120, 1542980, 1568840, 2005874, 2160172, 2700215, 3085960, 3137680, 4011748, 4320344, 5014685, 5400430, 6171920, 7020559, 8023496, 8640688, 10029370, 10800860, 14041118, 16046992, 20058740, 21601720, 28082236, 35102795, 40117480, 43203440, 56164472, 70205590, 80234960, 112328944, 140411180, 280822360, 561644720]

約数ペア:

[(1, 561644720), (2, 280822360), (4, 140411180), (5, 112328944), (7, 80234960), (8, 70205590), (10, 56164472), (13, 43203440), (14, 40117480), (16, 35102795), (20, 28082236), (26, 21601720), (28, 20058740), (35, 16046992), (40, 14041118), (52, 10800860), (56, 10029370), (65, 8640688), (70, 8023496), (80, 7020559), (91, 6171920), (104, 5400430), (112, 5014685), (130, 4320344), (140, 4011748), (179, 3137680), (182, 3085960), (208, 2700215), (260, 2160172), (280, 2005874), (358, 1568840), (364, 1542980), (431, 1303120), (455, 1234384), (520, 1080086), (560, 1002937), (716, 784420), (728, 771490), (862, 651560), (895, 627536), (910, 617192), (1040, 540043), (1253, 448240), (1432, 392210), (1456, 385745), (1724, 325780), (1790, 313768), (1820, 308596), (2155, 260624), (2327, 241360), (2506, 224120), (2864, 196105), (3017, 186160), (3448, 162890), (3580, 156884), (3640, 154298), (4310, 130312), (4654, 120680), (5012, 112060), (5603, 100240), (6034, 93080), (6265, 89648), (6896, 81445), (7160, 78442), (7280, 77149), (8620, 65156), (9308, 60340), (10024, 56030), (11206, 50120), (11635, 48272), (12068, 46540), (12530, 44824), (14320, 39221), (15085, 37232), (16289, 34480), (17240, 32578), (18616, 30170), (20048, 28015), (22412, 25060), (23270, 24136)]