155815920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 320

約数和(自身を含む): 599961600

約数和(自身を除く): 444145680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 144, 155, 156, 179, 180, 186, 195, 208, 216, 234, 240, 248, 260, 270, 279, 310, 312, 351, 358, 360, 372, 390, 403, 432, 465, 468, 496, 520, 537, 540, 558, 585, 620, 624, 702, 716, 720, 744, 780, 806, 837, 895, 930, 936, 1040, 1074, 1080, 1116, 1170, 1209, 1240, 1395, 1404, 1432, 1488, 1560, 1611, 1612, 1674, 1755, 1790, 1860, 1872, 2015, 2148, 2160, 2232, 2327, 2340, 2418, 2480, 2685, 2790, 2808, 2864, 3120, 3222, 3224, 3348, 3510, 3580, 3627, 3720, 4030, 4185, 4296, 4464, 4654, 4680, 4833, 4836, 5370, 5549, 5580, 5616, 6045, 6444, 6448, 6696, 6981, 7020, 7160, 7254, 7440, 8055, 8060, 8370, 8592, 9308, 9360, 9666, 9672, 10740, 10881, 11098, 11160, 11635, 12090, 12888, 13392, 13962, 14040, 14320, 14508, 16110, 16120, 16647, 16740, 18135, 18616, 19332, 19344, 20943, 21480, 21762, 22196, 22320, 23270, 24165, 24180, 25776, 27745, 27924, 28080, 29016, 32220, 32240, 33294, 33480, 34905, 36270, 37232, 38664, 41886, 42960, 43524, 44392, 46540, 48330, 48360, 49941, 54405, 55490, 55848, 58032, 62829, 64440, 66588, 66960, 69810, 72137, 72540, 77328, 83235, 83772, 87048, 88784, 93080, 96660, 96720, 99882, 104715, 108810, 110980, 111696, 125658, 128880, 133176, 139620, 144274, 145080, 149823, 166470, 167544, 174096, 186160, 193320, 199764, 209430, 216411, 217620, 221960, 249705, 251316, 266352, 279240, 288548, 290160, 299646, 314145, 332940, 335088, 360685, 386640, 399528, 418860, 432822, 435240, 443920, 499410, 502632, 558480, 577096, 599292, 628290, 649233, 665880, 721370, 749115, 799056, 837720, 865644, 870480, 998820, 1005264, 1082055, 1154192, 1198584, 1256580, 1298466, 1331760, 1442740, 1498230, 1675440, 1731288, 1947699, 1997640, 2164110, 2397168, 2513160, 2596932, 2885480, 2996460, 3246165, 3462576, 3895398, 3995280, 4328220, 5026320, 5193864, 5770960, 5992920, 6492330, 7790796, 8656440, 9738495, 10387728, 11985840, 12984660, 15581592, 17312880, 19476990, 25969320, 31163184, 38953980, 51938640, 77907960, 155815920]

約数ペア:

[(1, 155815920), (2, 77907960), (3, 51938640), (4, 38953980), (5, 31163184), (6, 25969320), (8, 19476990), (9, 17312880), (10, 15581592), (12, 12984660), (13, 11985840), (15, 10387728), (16, 9738495), (18, 8656440), (20, 7790796), (24, 6492330), (26, 5992920), (27, 5770960), (30, 5193864), (31, 5026320), (36, 4328220), (39, 3995280), (40, 3895398), (45, 3462576), (48, 3246165), (52, 2996460), (54, 2885480), (60, 2596932), (62, 2513160), (65, 2397168), (72, 2164110), (78, 1997640), (80, 1947699), (90, 1731288), (93, 1675440), (104, 1498230), (108, 1442740), (117, 1331760), (120, 1298466), (124, 1256580), (130, 1198584), (135, 1154192), (144, 1082055), (155, 1005264), (156, 998820), (179, 870480), (180, 865644), (186, 837720), (195, 799056), (208, 749115), (216, 721370), (234, 665880), (240, 649233), (248, 628290), (260, 599292), (270, 577096), (279, 558480), (310, 502632), (312, 499410), (351, 443920), (358, 435240), (360, 432822), (372, 418860), (390, 399528), (403, 386640), (432, 360685), (465, 335088), (468, 332940), (496, 314145), (520, 299646), (537, 290160), (540, 288548), (558, 279240), (585, 266352), (620, 251316), (624, 249705), (702, 221960), (716, 217620), (720, 216411), (744, 209430), (780, 199764), (806, 193320), (837, 186160), (895, 174096), (930, 167544), (936, 166470), (1040, 149823), (1074, 145080), (1080, 144274), (1116, 139620), (1170, 133176), (1209, 128880), (1240, 125658), (1395, 111696), (1404, 110980), (1432, 108810), (1488, 104715), (1560, 99882), (1611, 96720), (1612, 96660), (1674, 93080), (1755, 88784), (1790, 87048), (1860, 83772), (1872, 83235), (2015, 77328), (2148, 72540), (2160, 72137), (2232, 69810), (2327, 66960), (2340, 66588), (2418, 64440), (2480, 62829), (2685, 58032), (2790, 55848), (2808, 55490), (2864, 54405), (3120, 49941), (3222, 48360), (3224, 48330), (3348, 46540), (3510, 44392), (3580, 43524), (3627, 42960), (3720, 41886), (4030, 38664), (4185, 37232), (4296, 36270), (4464, 34905), (4654, 33480), (4680, 33294), (4833, 32240), (4836, 32220), (5370, 29016), (5549, 28080), (5580, 27924), (5616, 27745), (6045, 25776), (6444, 24180), (6448, 24165), (6696, 23270), (6981, 22320), (7020, 22196), (7160, 21762), (7254, 21480), (7440, 20943), (8055, 19344), (8060, 19332), (8370, 18616), (8592, 18135), (9308, 16740), (9360, 16647), (9666, 16120), (9672, 16110), (10740, 14508), (10881, 14320), (11098, 14040), (11160, 13962), (11635, 13392), (12090, 12888)]