287693640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 256

約数和(自身を含む): 1067673600

約数和(自身を除く): 779979960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 465, 468, 520, 540, 558, 585, 620, 661, 702, 744, 780, 806, 837, 930, 936, 1080, 1116, 1170, 1209, 1240, 1322, 1395, 1404, 1560, 1612, 1674, 1755, 1860, 1983, 2015, 2232, 2340, 2418, 2644, 2790, 2808, 3224, 3305, 3348, 3510, 3627, 3720, 3966, 4030, 4185, 4680, 4836, 5288, 5580, 5949, 6045, 6610, 6696, 7020, 7254, 7932, 8060, 8370, 8593, 9672, 9915, 10881, 11160, 11898, 12090, 13220, 14040, 14508, 15864, 16120, 16740, 17186, 17847, 18135, 19830, 20491, 21762, 23796, 24180, 25779, 26440, 29016, 29745, 33480, 34372, 35694, 36270, 39660, 40982, 42965, 43524, 47592, 48360, 51558, 54405, 59490, 61473, 68744, 71388, 72540, 77337, 79320, 81964, 85930, 87048, 89235, 102455, 103116, 108810, 118980, 122946, 128895, 142776, 145080, 154674, 163928, 171860, 178470, 184419, 204910, 206232, 217620, 232011, 237960, 245892, 257790, 266383, 307365, 309348, 343720, 356940, 368838, 386685, 409820, 435240, 464022, 491784, 515580, 532766, 553257, 614730, 618696, 713880, 737676, 773370, 799149, 819640, 922095, 928044, 1031160, 1065532, 1106514, 1160055, 1229460, 1331915, 1475352, 1546740, 1598298, 1844190, 1856088, 2131064, 2213028, 2320110, 2397447, 2458920, 2663830, 2766285, 3093480, 3196596, 3688380, 3995745, 4426056, 4640220, 4794894, 5327660, 5532570, 6393192, 7192341, 7376760, 7991490, 9280440, 9589788, 10655320, 11065140, 11987235, 14384682, 15982980, 19179576, 22130280, 23974470, 28769364, 31965960, 35961705, 47948940, 57538728, 71923410, 95897880, 143846820, 287693640]

約数ペア:

[(1, 287693640), (2, 143846820), (3, 95897880), (4, 71923410), (5, 57538728), (6, 47948940), (8, 35961705), (9, 31965960), (10, 28769364), (12, 23974470), (13, 22130280), (15, 19179576), (18, 15982980), (20, 14384682), (24, 11987235), (26, 11065140), (27, 10655320), (30, 9589788), (31, 9280440), (36, 7991490), (39, 7376760), (40, 7192341), (45, 6393192), (52, 5532570), (54, 5327660), (60, 4794894), (62, 4640220), (65, 4426056), (72, 3995745), (78, 3688380), (90, 3196596), (93, 3093480), (104, 2766285), (108, 2663830), (117, 2458920), (120, 2397447), (124, 2320110), (130, 2213028), (135, 2131064), (155, 1856088), (156, 1844190), (180, 1598298), (186, 1546740), (195, 1475352), (216, 1331915), (234, 1229460), (248, 1160055), (260, 1106514), (270, 1065532), (279, 1031160), (310, 928044), (312, 922095), (351, 819640), (360, 799149), (372, 773370), (390, 737676), (403, 713880), (465, 618696), (468, 614730), (520, 553257), (540, 532766), (558, 515580), (585, 491784), (620, 464022), (661, 435240), (702, 409820), (744, 386685), (780, 368838), (806, 356940), (837, 343720), (930, 309348), (936, 307365), (1080, 266383), (1116, 257790), (1170, 245892), (1209, 237960), (1240, 232011), (1322, 217620), (1395, 206232), (1404, 204910), (1560, 184419), (1612, 178470), (1674, 171860), (1755, 163928), (1860, 154674), (1983, 145080), (2015, 142776), (2232, 128895), (2340, 122946), (2418, 118980), (2644, 108810), (2790, 103116), (2808, 102455), (3224, 89235), (3305, 87048), (3348, 85930), (3510, 81964), (3627, 79320), (3720, 77337), (3966, 72540), (4030, 71388), (4185, 68744), (4680, 61473), (4836, 59490), (5288, 54405), (5580, 51558), (5949, 48360), (6045, 47592), (6610, 43524), (6696, 42965), (7020, 40982), (7254, 39660), (7932, 36270), (8060, 35694), (8370, 34372), (8593, 33480), (9672, 29745), (9915, 29016), (10881, 26440), (11160, 25779), (11898, 24180), (12090, 23796), (13220, 21762), (14040, 20491), (14508, 19830), (15864, 18135), (16120, 17847), (16740, 17186)]