1998497760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7529}}^1$

素因数の和:7633

約数の個数: 192

約数和(自身を含む): 7286630400

約数和(自身を除く): 5288132640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 553, 560, 632, 672, 790, 840, 948, 1106, 1120, 1185, 1264, 1580, 1659, 1680, 1896, 2212, 2370, 2528, 2765, 3160, 3318, 3360, 3792, 4424, 4740, 5530, 6320, 6636, 7529, 7584, 8295, 8848, 9480, 11060, 12640, 13272, 15058, 16590, 17696, 18960, 22120, 22587, 26544, 30116, 33180, 37645, 37920, 44240, 45174, 52703, 53088, 60232, 66360, 75290, 88480, 90348, 105406, 112935, 120464, 132720, 150580, 158109, 180696, 210812, 225870, 240928, 263515, 265440, 301160, 316218, 361392, 421624, 451740, 527030, 594791, 602320, 632436, 722784, 790545, 843248, 903480, 1054060, 1189582, 1204640, 1264872, 1581090, 1686496, 1784373, 1806960, 2108120, 2379164, 2529744, 2973955, 3162180, 3568746, 3613920, 4163537, 4216240, 4758328, 5059488, 5947910, 6324360, 7137492, 8327074, 8432480, 8921865, 9516656, 11895820, 12490611, 12648720, 14274984, 16654148, 17843730, 19033312, 20817685, 23791640, 24981222, 25297440, 28549968, 33308296, 35687460, 41635370, 47583280, 49962444, 57099936, 62453055, 66616592, 71374920, 83270740, 95166560, 99924888, 124906110, 133233184, 142749840, 166541480, 199849776, 249812220, 285499680, 333082960, 399699552, 499624440, 666165920, 999248880, 1998497760]

約数ペア:

[(1, 1998497760), (2, 999248880), (3, 666165920), (4, 499624440), (5, 399699552), (6, 333082960), (7, 285499680), (8, 249812220), (10, 199849776), (12, 166541480), (14, 142749840), (15, 133233184), (16, 124906110), (20, 99924888), (21, 95166560), (24, 83270740), (28, 71374920), (30, 66616592), (32, 62453055), (35, 57099936), (40, 49962444), (42, 47583280), (48, 41635370), (56, 35687460), (60, 33308296), (70, 28549968), (79, 25297440), (80, 24981222), (84, 23791640), (96, 20817685), (105, 19033312), (112, 17843730), (120, 16654148), (140, 14274984), (158, 12648720), (160, 12490611), (168, 11895820), (210, 9516656), (224, 8921865), (237, 8432480), (240, 8327074), (280, 7137492), (316, 6324360), (336, 5947910), (395, 5059488), (420, 4758328), (474, 4216240), (480, 4163537), (553, 3613920), (560, 3568746), (632, 3162180), (672, 2973955), (790, 2529744), (840, 2379164), (948, 2108120), (1106, 1806960), (1120, 1784373), (1185, 1686496), (1264, 1581090), (1580, 1264872), (1659, 1204640), (1680, 1189582), (1896, 1054060), (2212, 903480), (2370, 843248), (2528, 790545), (2765, 722784), (3160, 632436), (3318, 602320), (3360, 594791), (3792, 527030), (4424, 451740), (4740, 421624), (5530, 361392), (6320, 316218), (6636, 301160), (7529, 265440), (7584, 263515), (8295, 240928), (8848, 225870), (9480, 210812), (11060, 180696), (12640, 158109), (13272, 150580), (15058, 132720), (16590, 120464), (17696, 112935), (18960, 105406), (22120, 90348), (22587, 88480), (26544, 75290), (30116, 66360), (33180, 60232), (37645, 53088), (37920, 52703), (44240, 45174)]