28770480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1339

約数の個数: 120

約数和(自身を含む): 99815040

約数和(自身を除く): 71044560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1289, 1395, 1488, 1860, 2232, 2480, 2578, 2790, 3720, 3867, 4464, 5156, 5580, 6445, 7440, 7734, 10312, 11160, 11601, 12890, 15468, 19335, 20624, 22320, 23202, 25780, 30936, 38670, 39959, 46404, 51560, 58005, 61872, 77340, 79918, 92808, 103120, 116010, 119877, 154680, 159836, 185616, 199795, 232020, 239754, 309360, 319672, 359631, 399590, 464040, 479508, 599385, 639344, 719262, 799180, 928080, 959016, 1198770, 1438524, 1598360, 1798155, 1918032, 2397540, 2877048, 3196720, 3596310, 4795080, 5754096, 7192620, 9590160, 14385240, 28770480]

約数ペア:

[(1, 28770480), (2, 14385240), (3, 9590160), (4, 7192620), (5, 5754096), (6, 4795080), (8, 3596310), (9, 3196720), (10, 2877048), (12, 2397540), (15, 1918032), (16, 1798155), (18, 1598360), (20, 1438524), (24, 1198770), (30, 959016), (31, 928080), (36, 799180), (40, 719262), (45, 639344), (48, 599385), (60, 479508), (62, 464040), (72, 399590), (80, 359631), (90, 319672), (93, 309360), (120, 239754), (124, 232020), (144, 199795), (155, 185616), (180, 159836), (186, 154680), (240, 119877), (248, 116010), (279, 103120), (310, 92808), (360, 79918), (372, 77340), (465, 61872), (496, 58005), (558, 51560), (620, 46404), (720, 39959), (744, 38670), (930, 30936), (1116, 25780), (1240, 23202), (1289, 22320), (1395, 20624), (1488, 19335), (1860, 15468), (2232, 12890), (2480, 11601), (2578, 11160), (2790, 10312), (3720, 7734), (3867, 7440), (4464, 6445), (5156, 5580)]