321731280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:998

約数の個数: 240

約数和(自身を含む): 1196329680

約数和(自身を除く): 874598400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 592, 624, 666, 720, 740, 780, 888, 929, 936, 962, 1040, 1110, 1170, 1332, 1443, 1480, 1560, 1665, 1776, 1858, 1872, 1924, 2220, 2340, 2405, 2664, 2787, 2886, 2960, 3120, 3330, 3716, 3848, 4329, 4440, 4645, 4680, 4810, 5328, 5574, 5772, 6660, 7215, 7432, 7696, 8361, 8658, 8880, 9290, 9360, 9620, 11148, 11544, 12077, 13320, 13935, 14430, 14864, 16722, 17316, 18580, 19240, 21645, 22296, 23088, 24154, 26640, 27870, 28860, 33444, 34373, 34632, 36231, 37160, 38480, 41805, 43290, 44592, 48308, 55740, 57720, 60385, 66888, 68746, 69264, 72462, 74320, 83610, 86580, 96616, 103119, 108693, 111480, 115440, 120770, 133776, 137492, 144924, 167220, 171865, 173160, 181155, 193232, 206238, 217386, 222960, 241540, 274984, 289848, 309357, 334440, 343730, 346320, 362310, 412476, 434772, 446849, 483080, 515595, 543465, 549968, 579696, 618714, 668880, 687460, 724620, 824952, 869544, 893698, 966160, 1031190, 1086930, 1237428, 1340547, 1374920, 1449240, 1546785, 1649904, 1739088, 1787396, 2062380, 2173860, 2234245, 2474856, 2681094, 2749840, 2898480, 3093570, 3574792, 4021641, 4124760, 4347720, 4468490, 4949712, 5362188, 6187140, 6702735, 7149584, 8043282, 8249520, 8695440, 8936980, 10724376, 12374280, 13405470, 16086564, 17873960, 20108205, 21448752, 24748560, 26810940, 32173128, 35747920, 40216410, 53621880, 64346256, 80432820, 107243760, 160865640, 321731280]

約数ペア:

[(1, 321731280), (2, 160865640), (3, 107243760), (4, 80432820), (5, 64346256), (6, 53621880), (8, 40216410), (9, 35747920), (10, 32173128), (12, 26810940), (13, 24748560), (15, 21448752), (16, 20108205), (18, 17873960), (20, 16086564), (24, 13405470), (26, 12374280), (30, 10724376), (36, 8936980), (37, 8695440), (39, 8249520), (40, 8043282), (45, 7149584), (48, 6702735), (52, 6187140), (60, 5362188), (65, 4949712), (72, 4468490), (74, 4347720), (78, 4124760), (80, 4021641), (90, 3574792), (104, 3093570), (111, 2898480), (117, 2749840), (120, 2681094), (130, 2474856), (144, 2234245), (148, 2173860), (156, 2062380), (180, 1787396), (185, 1739088), (195, 1649904), (208, 1546785), (222, 1449240), (234, 1374920), (240, 1340547), (260, 1237428), (296, 1086930), (312, 1031190), (333, 966160), (360, 893698), (370, 869544), (390, 824952), (444, 724620), (468, 687460), (481, 668880), (520, 618714), (555, 579696), (585, 549968), (592, 543465), (624, 515595), (666, 483080), (720, 446849), (740, 434772), (780, 412476), (888, 362310), (929, 346320), (936, 343730), (962, 334440), (1040, 309357), (1110, 289848), (1170, 274984), (1332, 241540), (1443, 222960), (1480, 217386), (1560, 206238), (1665, 193232), (1776, 181155), (1858, 173160), (1872, 171865), (1924, 167220), (2220, 144924), (2340, 137492), (2405, 133776), (2664, 120770), (2787, 115440), (2886, 111480), (2960, 108693), (3120, 103119), (3330, 96616), (3716, 86580), (3848, 83610), (4329, 74320), (4440, 72462), (4645, 69264), (4680, 68746), (4810, 66888), (5328, 60385), (5574, 57720), (5772, 55740), (6660, 48308), (7215, 44592), (7432, 43290), (7696, 41805), (8361, 38480), (8658, 37160), (8880, 36231), (9290, 34632), (9360, 34373), (9620, 33444), (11148, 28860), (11544, 27870), (12077, 26640), (13320, 24154), (13935, 23088), (14430, 22296), (14864, 21645), (16722, 19240), (17316, 18580)]