251758440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1392

約数の個数: 192

約数和(自身を含む): 894965760

約数和(自身を除く): 643207320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1327, 1395, 1530, 1581, 1860, 2040, 2108, 2232, 2635, 2654, 2790, 3060, 3162, 3720, 3981, 4216, 4743, 5270, 5308, 5580, 6120, 6324, 6635, 7905, 7962, 9486, 10540, 10616, 11160, 11943, 12648, 13270, 15810, 15924, 18972, 19905, 21080, 22559, 23715, 23886, 26540, 31620, 31848, 37944, 39810, 41137, 45118, 47430, 47772, 53080, 59715, 63240, 67677, 79620, 82274, 90236, 94860, 95544, 112795, 119430, 123411, 135354, 159240, 164548, 180472, 189720, 203031, 205685, 225590, 238860, 246822, 270708, 329096, 338385, 370233, 406062, 411370, 451180, 477720, 493644, 541416, 617055, 676770, 699329, 740466, 812124, 822740, 902360, 987288, 1015155, 1234110, 1353540, 1398658, 1480932, 1624248, 1645480, 1851165, 2030310, 2097987, 2468220, 2707080, 2797316, 2961864, 3496645, 3702330, 4060620, 4195974, 4936440, 5594632, 6293961, 6993290, 7404660, 8121240, 8391948, 10489935, 12587922, 13986580, 14809320, 16783896, 20979870, 25175844, 27973160, 31469805, 41959740, 50351688, 62939610, 83919480, 125879220, 251758440]

約数ペア:

[(1, 251758440), (2, 125879220), (3, 83919480), (4, 62939610), (5, 50351688), (6, 41959740), (8, 31469805), (9, 27973160), (10, 25175844), (12, 20979870), (15, 16783896), (17, 14809320), (18, 13986580), (20, 12587922), (24, 10489935), (30, 8391948), (31, 8121240), (34, 7404660), (36, 6993290), (40, 6293961), (45, 5594632), (51, 4936440), (60, 4195974), (62, 4060620), (68, 3702330), (72, 3496645), (85, 2961864), (90, 2797316), (93, 2707080), (102, 2468220), (120, 2097987), (124, 2030310), (136, 1851165), (153, 1645480), (155, 1624248), (170, 1480932), (180, 1398658), (186, 1353540), (204, 1234110), (248, 1015155), (255, 987288), (279, 902360), (306, 822740), (310, 812124), (340, 740466), (360, 699329), (372, 676770), (408, 617055), (465, 541416), (510, 493644), (527, 477720), (558, 451180), (612, 411370), (620, 406062), (680, 370233), (744, 338385), (765, 329096), (930, 270708), (1020, 246822), (1054, 238860), (1116, 225590), (1224, 205685), (1240, 203031), (1327, 189720), (1395, 180472), (1530, 164548), (1581, 159240), (1860, 135354), (2040, 123411), (2108, 119430), (2232, 112795), (2635, 95544), (2654, 94860), (2790, 90236), (3060, 82274), (3162, 79620), (3720, 67677), (3981, 63240), (4216, 59715), (4743, 53080), (5270, 47772), (5308, 47430), (5580, 45118), (6120, 41137), (6324, 39810), (6635, 37944), (7905, 31848), (7962, 31620), (9486, 26540), (10540, 23886), (10616, 23715), (11160, 22559), (11943, 21080), (12648, 19905), (13270, 18972), (15810, 15924)]