28931760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 240

約数和(自身を含む): 114555168

約数和(自身を除く): 85623408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 281, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 562, 572, 585, 624, 660, 715, 720, 780, 792, 843, 858, 880, 936, 990, 1040, 1124, 1144, 1170, 1287, 1320, 1405, 1430, 1560, 1584, 1686, 1716, 1872, 1980, 2145, 2248, 2288, 2340, 2529, 2574, 2640, 2810, 2860, 3091, 3120, 3372, 3432, 3653, 3960, 4215, 4290, 4496, 4680, 5058, 5148, 5620, 5720, 6182, 6435, 6744, 6864, 7306, 7920, 8430, 8580, 9273, 9360, 10116, 10296, 10959, 11240, 11440, 12364, 12645, 12870, 13488, 14612, 15455, 16860, 17160, 18265, 18546, 20232, 20592, 21918, 22480, 24728, 25290, 25740, 27819, 29224, 30910, 32877, 33720, 34320, 36530, 37092, 40183, 40464, 43836, 46365, 49456, 50580, 51480, 54795, 55638, 58448, 61820, 65754, 67440, 73060, 74184, 80366, 87672, 92730, 101160, 102960, 109590, 111276, 120549, 123640, 131508, 139095, 146120, 148368, 160732, 164385, 175344, 185460, 200915, 202320, 219180, 222552, 241098, 247280, 263016, 278190, 292240, 321464, 328770, 361647, 370920, 401830, 438360, 445104, 482196, 526032, 556380, 602745, 642928, 657540, 723294, 741840, 803660, 876720, 964392, 1112760, 1205490, 1315080, 1446588, 1607320, 1808235, 1928784, 2225520, 2410980, 2630160, 2893176, 3214640, 3616470, 4821960, 5786352, 7232940, 9643920, 14465880, 28931760]

約数ペア:

[(1, 28931760), (2, 14465880), (3, 9643920), (4, 7232940), (5, 5786352), (6, 4821960), (8, 3616470), (9, 3214640), (10, 2893176), (11, 2630160), (12, 2410980), (13, 2225520), (15, 1928784), (16, 1808235), (18, 1607320), (20, 1446588), (22, 1315080), (24, 1205490), (26, 1112760), (30, 964392), (33, 876720), (36, 803660), (39, 741840), (40, 723294), (44, 657540), (45, 642928), (48, 602745), (52, 556380), (55, 526032), (60, 482196), (65, 445104), (66, 438360), (72, 401830), (78, 370920), (80, 361647), (88, 328770), (90, 321464), (99, 292240), (104, 278190), (110, 263016), (117, 247280), (120, 241098), (130, 222552), (132, 219180), (143, 202320), (144, 200915), (156, 185460), (165, 175344), (176, 164385), (180, 160732), (195, 148368), (198, 146120), (208, 139095), (220, 131508), (234, 123640), (240, 120549), (260, 111276), (264, 109590), (281, 102960), (286, 101160), (312, 92730), (330, 87672), (360, 80366), (390, 74184), (396, 73060), (429, 67440), (440, 65754), (468, 61820), (495, 58448), (520, 55638), (528, 54795), (562, 51480), (572, 50580), (585, 49456), (624, 46365), (660, 43836), (715, 40464), (720, 40183), (780, 37092), (792, 36530), (843, 34320), (858, 33720), (880, 32877), (936, 30910), (990, 29224), (1040, 27819), (1124, 25740), (1144, 25290), (1170, 24728), (1287, 22480), (1320, 21918), (1405, 20592), (1430, 20232), (1560, 18546), (1584, 18265), (1686, 17160), (1716, 16860), (1872, 15455), (1980, 14612), (2145, 13488), (2248, 12870), (2288, 12645), (2340, 12364), (2529, 11440), (2574, 11240), (2640, 10959), (2810, 10296), (2860, 10116), (3091, 9360), (3120, 9273), (3372, 8580), (3432, 8430), (3653, 7920), (3960, 7306), (4215, 6864), (4290, 6744), (4496, 6435), (4680, 6182), (5058, 5720), (5148, 5620)]