20487279360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18461}}^1$

素因数の和:18519

約数の個数: 216

約数和(自身を含む): 69510316176

約数和(自身を除く): 49023036816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 289, 320, 340, 384, 408, 480, 510, 544, 578, 640, 680, 768, 816, 867, 960, 1020, 1088, 1156, 1280, 1360, 1445, 1632, 1734, 1920, 2040, 2176, 2312, 2720, 2890, 3264, 3468, 3840, 4080, 4335, 4352, 4624, 5440, 5780, 6528, 6936, 8160, 8670, 9248, 10880, 11560, 13056, 13872, 16320, 17340, 18461, 18496, 21760, 23120, 27744, 32640, 34680, 36922, 36992, 46240, 55383, 55488, 65280, 69360, 73844, 73984, 92305, 92480, 110766, 110976, 138720, 147688, 184610, 184960, 221532, 221952, 276915, 277440, 295376, 313837, 369220, 369920, 443064, 553830, 554880, 590752, 627674, 738440, 886128, 941511, 1107660, 1109760, 1181504, 1255348, 1476880, 1569185, 1772256, 1883022, 2215320, 2363008, 2510696, 2953760, 3138370, 3544512, 3766044, 4430640, 4707555, 4726016, 5021392, 5335229, 5907520, 6276740, 7089024, 7532088, 8861280, 9415110, 10042784, 10670458, 11815040, 12553480, 14178048, 15064176, 16005687, 17722560, 18830220, 20085568, 21340916, 23630080, 25106960, 26676145, 30128352, 32011374, 35445120, 37660440, 40171136, 42681832, 50213920, 53352290, 60256704, 64022748, 70890240, 75320880, 80028435, 80342272, 85363664, 100427840, 106704580, 120513408, 128045496, 150641760, 160056870, 170727328, 200855680, 213409160, 241026816, 256090992, 301283520, 320113740, 341454656, 401711360, 426818320, 512181984, 602567040, 640227480, 682909312, 853636640, 1024363968, 1205134080, 1280454960, 1365818624, 1707273280, 2048727936, 2560909920, 3414546560, 4097455872, 5121819840, 6829093120, 10243639680, 20487279360]

約数ペア:

[(1, 20487279360), (2, 10243639680), (3, 6829093120), (4, 5121819840), (5, 4097455872), (6, 3414546560), (8, 2560909920), (10, 2048727936), (12, 1707273280), (15, 1365818624), (16, 1280454960), (17, 1205134080), (20, 1024363968), (24, 853636640), (30, 682909312), (32, 640227480), (34, 602567040), (40, 512181984), (48, 426818320), (51, 401711360), (60, 341454656), (64, 320113740), (68, 301283520), (80, 256090992), (85, 241026816), (96, 213409160), (102, 200855680), (120, 170727328), (128, 160056870), (136, 150641760), (160, 128045496), (170, 120513408), (192, 106704580), (204, 100427840), (240, 85363664), (255, 80342272), (256, 80028435), (272, 75320880), (289, 70890240), (320, 64022748), (340, 60256704), (384, 53352290), (408, 50213920), (480, 42681832), (510, 40171136), (544, 37660440), (578, 35445120), (640, 32011374), (680, 30128352), (768, 26676145), (816, 25106960), (867, 23630080), (960, 21340916), (1020, 20085568), (1088, 18830220), (1156, 17722560), (1280, 16005687), (1360, 15064176), (1445, 14178048), (1632, 12553480), (1734, 11815040), (1920, 10670458), (2040, 10042784), (2176, 9415110), (2312, 8861280), (2720, 7532088), (2890, 7089024), (3264, 6276740), (3468, 5907520), (3840, 5335229), (4080, 5021392), (4335, 4726016), (4352, 4707555), (4624, 4430640), (5440, 3766044), (5780, 3544512), (6528, 3138370), (6936, 2953760), (8160, 2510696), (8670, 2363008), (9248, 2215320), (10880, 1883022), (11560, 1772256), (13056, 1569185), (13872, 1476880), (16320, 1255348), (17340, 1181504), (18461, 1109760), (18496, 1107660), (21760, 941511), (23120, 886128), (27744, 738440), (32640, 627674), (34680, 590752), (36922, 554880), (36992, 553830), (46240, 443064), (55383, 369920), (55488, 369220), (65280, 313837), (69360, 295376), (73844, 277440), (73984, 276915), (92305, 221952), (92480, 221532), (110766, 184960), (110976, 184610), (138720, 147688)]