420297840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1877}}^1$

素因数の和:2207

約数の個数: 120

約数和(自身を含む): 1416793248

約数和(自身を除く): 996495408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 311, 360, 622, 720, 933, 1244, 1555, 1866, 1877, 2488, 2799, 3110, 3732, 3754, 4665, 4976, 5598, 5631, 6220, 7464, 7508, 9330, 9385, 11196, 11262, 12440, 13995, 14928, 15016, 16893, 18660, 18770, 22392, 22524, 24880, 27990, 28155, 30032, 33786, 37320, 37540, 44784, 45048, 55980, 56310, 67572, 74640, 75080, 84465, 90096, 111960, 112620, 135144, 150160, 168930, 223920, 225240, 270288, 337860, 450480, 583747, 675720, 1167494, 1351440, 1751241, 2334988, 2918735, 3502482, 4669976, 5253723, 5837470, 7004964, 8756205, 9339952, 10507446, 11674940, 14009928, 17512410, 21014892, 23349880, 26268615, 28019856, 35024820, 42029784, 46699760, 52537230, 70049640, 84059568, 105074460, 140099280, 210148920, 420297840]

約数ペア:

[(1, 420297840), (2, 210148920), (3, 140099280), (4, 105074460), (5, 84059568), (6, 70049640), (8, 52537230), (9, 46699760), (10, 42029784), (12, 35024820), (15, 28019856), (16, 26268615), (18, 23349880), (20, 21014892), (24, 17512410), (30, 14009928), (36, 11674940), (40, 10507446), (45, 9339952), (48, 8756205), (60, 7004964), (72, 5837470), (80, 5253723), (90, 4669976), (120, 3502482), (144, 2918735), (180, 2334988), (240, 1751241), (311, 1351440), (360, 1167494), (622, 675720), (720, 583747), (933, 450480), (1244, 337860), (1555, 270288), (1866, 225240), (1877, 223920), (2488, 168930), (2799, 150160), (3110, 135144), (3732, 112620), (3754, 111960), (4665, 90096), (4976, 84465), (5598, 75080), (5631, 74640), (6220, 67572), (7464, 56310), (7508, 55980), (9330, 45048), (9385, 44784), (11196, 37540), (11262, 37320), (12440, 33786), (13995, 30032), (14928, 28155), (15016, 27990), (16893, 24880), (18660, 22524), (18770, 22392)]