28009096080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{211039}}^1$

素因数の和:211141

約数の個数: 160

約数和(自身を含む): 100488806400

約数和(自身を除く): 72479710320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1264, 1580, 1659, 1680, 1896, 2212, 2370, 2765, 3160, 3318, 3792, 4424, 4740, 5530, 6320, 6636, 8295, 8848, 9480, 11060, 13272, 16590, 18960, 22120, 26544, 33180, 44240, 66360, 132720, 211039, 422078, 633117, 844156, 1055195, 1266234, 1477273, 1688312, 2110390, 2532468, 2954546, 3165585, 3376624, 4220780, 4431819, 5064936, 5909092, 6331170, 7386365, 8441560, 8863638, 10129872, 11818184, 12662340, 14772730, 16672081, 16883120, 17727276, 22159095, 23636368, 25324680, 29545460, 33344162, 35454552, 44318190, 50016243, 50649360, 59090920, 66688324, 70909104, 83360405, 88636380, 100032486, 116704567, 118181840, 133376648, 166720810, 177272760, 200064972, 233409134, 250081215, 266753296, 333441620, 350113701, 354545520, 400129944, 466818268, 500162430, 583522835, 666883240, 700227402, 800259888, 933636536, 1000324860, 1167045670, 1333766480, 1400454804, 1750568505, 1867273072, 2000649720, 2334091340, 2800909608, 3501137010, 4001299440, 4668182680, 5601819216, 7002274020, 9336365360, 14004548040, 28009096080]

約数ペア:

[(1, 28009096080), (2, 14004548040), (3, 9336365360), (4, 7002274020), (5, 5601819216), (6, 4668182680), (7, 4001299440), (8, 3501137010), (10, 2800909608), (12, 2334091340), (14, 2000649720), (15, 1867273072), (16, 1750568505), (20, 1400454804), (21, 1333766480), (24, 1167045670), (28, 1000324860), (30, 933636536), (35, 800259888), (40, 700227402), (42, 666883240), (48, 583522835), (56, 500162430), (60, 466818268), (70, 400129944), (79, 354545520), (80, 350113701), (84, 333441620), (105, 266753296), (112, 250081215), (120, 233409134), (140, 200064972), (158, 177272760), (168, 166720810), (210, 133376648), (237, 118181840), (240, 116704567), (280, 100032486), (316, 88636380), (336, 83360405), (395, 70909104), (420, 66688324), (474, 59090920), (553, 50649360), (560, 50016243), (632, 44318190), (790, 35454552), (840, 33344162), (948, 29545460), (1106, 25324680), (1185, 23636368), (1264, 22159095), (1580, 17727276), (1659, 16883120), (1680, 16672081), (1896, 14772730), (2212, 12662340), (2370, 11818184), (2765, 10129872), (3160, 8863638), (3318, 8441560), (3792, 7386365), (4424, 6331170), (4740, 5909092), (5530, 5064936), (6320, 4431819), (6636, 4220780), (8295, 3376624), (8848, 3165585), (9480, 2954546), (11060, 2532468), (13272, 2110390), (16590, 1688312), (18960, 1477273), (22120, 1266234), (26544, 1055195), (33180, 844156), (44240, 633117), (66360, 422078), (132720, 211039)]