15983280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 54550080

約数和(自身を除く): 38566800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 281, 316, 360, 395, 474, 562, 632, 711, 720, 790, 843, 948, 1124, 1185, 1264, 1405, 1422, 1580, 1686, 1896, 2248, 2370, 2529, 2810, 2844, 3160, 3372, 3555, 3792, 4215, 4496, 4740, 5058, 5620, 5688, 6320, 6744, 7110, 8430, 9480, 10116, 11240, 11376, 12645, 13488, 14220, 16860, 18960, 20232, 22199, 22480, 25290, 28440, 33720, 40464, 44398, 50580, 56880, 66597, 67440, 88796, 101160, 110995, 133194, 177592, 199791, 202320, 221990, 266388, 332985, 355184, 399582, 443980, 532776, 665970, 799164, 887960, 998955, 1065552, 1331940, 1598328, 1775920, 1997910, 2663880, 3196656, 3995820, 5327760, 7991640, 15983280]

約数ペア:

[(1, 15983280), (2, 7991640), (3, 5327760), (4, 3995820), (5, 3196656), (6, 2663880), (8, 1997910), (9, 1775920), (10, 1598328), (12, 1331940), (15, 1065552), (16, 998955), (18, 887960), (20, 799164), (24, 665970), (30, 532776), (36, 443980), (40, 399582), (45, 355184), (48, 332985), (60, 266388), (72, 221990), (79, 202320), (80, 199791), (90, 177592), (120, 133194), (144, 110995), (158, 101160), (180, 88796), (237, 67440), (240, 66597), (281, 56880), (316, 50580), (360, 44398), (395, 40464), (474, 33720), (562, 28440), (632, 25290), (711, 22480), (720, 22199), (790, 20232), (843, 18960), (948, 16860), (1124, 14220), (1185, 13488), (1264, 12645), (1405, 11376), (1422, 11240), (1580, 10116), (1686, 9480), (1896, 8430), (2248, 7110), (2370, 6744), (2529, 6320), (2810, 5688), (2844, 5620), (3160, 5058), (3372, 4740), (3555, 4496), (3792, 4215)]