28090920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1675

約数の個数: 128

約数和(自身を含む): 99066240

約数和(自身を除く): 70975320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1637, 1716, 2145, 2860, 3274, 3432, 4290, 4911, 5720, 6548, 8185, 8580, 9822, 13096, 16370, 17160, 18007, 19644, 21281, 24555, 32740, 36014, 39288, 42562, 49110, 54021, 63843, 65480, 72028, 85124, 90035, 98220, 106405, 108042, 127686, 144056, 170248, 180070, 196440, 212810, 216084, 234091, 255372, 270105, 319215, 360140, 425620, 432168, 468182, 510744, 540210, 638430, 702273, 720280, 851240, 936364, 1080420, 1170455, 1276860, 1404546, 1872728, 2160840, 2340910, 2553720, 2809092, 3511365, 4681820, 5618184, 7022730, 9363640, 14045460, 28090920]

約数ペア:

[(1, 28090920), (2, 14045460), (3, 9363640), (4, 7022730), (5, 5618184), (6, 4681820), (8, 3511365), (10, 2809092), (11, 2553720), (12, 2340910), (13, 2160840), (15, 1872728), (20, 1404546), (22, 1276860), (24, 1170455), (26, 1080420), (30, 936364), (33, 851240), (39, 720280), (40, 702273), (44, 638430), (52, 540210), (55, 510744), (60, 468182), (65, 432168), (66, 425620), (78, 360140), (88, 319215), (104, 270105), (110, 255372), (120, 234091), (130, 216084), (132, 212810), (143, 196440), (156, 180070), (165, 170248), (195, 144056), (220, 127686), (260, 108042), (264, 106405), (286, 98220), (312, 90035), (330, 85124), (390, 72028), (429, 65480), (440, 63843), (520, 54021), (572, 49110), (660, 42562), (715, 39288), (780, 36014), (858, 32740), (1144, 24555), (1320, 21281), (1430, 19644), (1560, 18007), (1637, 17160), (1716, 16370), (2145, 13096), (2860, 9822), (3274, 8580), (3432, 8185), (4290, 6548), (4911, 5720)]