280822360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 502998440

約数列:

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

約数ペア:

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