28994433440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1271

約数の個数: 192

約数和(自身を含む): 79305827328

約数和(自身を除く): 50311393888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 181, 224, 280, 314, 362, 560, 628, 724, 785, 905, 911, 1099, 1120, 1256, 1267, 1448, 1570, 1810, 1822, 2198, 2512, 2534, 2896, 3140, 3620, 3644, 4396, 4555, 5024, 5068, 5495, 5792, 6280, 6335, 6377, 7240, 7288, 8792, 9110, 10136, 10990, 12560, 12670, 12754, 14480, 14576, 17584, 18220, 20272, 21980, 25120, 25340, 25508, 28417, 28960, 29152, 31885, 35168, 36440, 40544, 43960, 50680, 51016, 56834, 63770, 72880, 87920, 101360, 102032, 113668, 127540, 142085, 143027, 145760, 164891, 175840, 198919, 202720, 204064, 227336, 255080, 284170, 286054, 329782, 397838, 454672, 510160, 568340, 572108, 659564, 715135, 795676, 824455, 909344, 994595, 1001189, 1020320, 1136680, 1144216, 1154237, 1319128, 1430270, 1591352, 1648910, 1989190, 2002378, 2273360, 2288432, 2308474, 2638256, 2860540, 3182704, 3297820, 3978380, 4004756, 4546720, 4576864, 4616948, 5005945, 5276512, 5721080, 5771185, 6365408, 6595640, 7956760, 8009512, 9233896, 10011890, 11442160, 11542370, 13191280, 15913520, 16019024, 18467792, 20023780, 22884320, 23084740, 25887887, 26382560, 31827040, 32038048, 36935584, 40047560, 46169480, 51775774, 80095120, 92338960, 103551548, 129439435, 160190240, 181215209, 184677920, 207103096, 258878870, 362430418, 414206192, 517757740, 724860836, 828412384, 906076045, 1035515480, 1449721672, 1812152090, 2071030960, 2899443344, 3624304180, 4142061920, 5798886688, 7248608360, 14497216720, 28994433440]

約数ペア:

[(1, 28994433440), (2, 14497216720), (4, 7248608360), (5, 5798886688), (7, 4142061920), (8, 3624304180), (10, 2899443344), (14, 2071030960), (16, 1812152090), (20, 1449721672), (28, 1035515480), (32, 906076045), (35, 828412384), (40, 724860836), (56, 517757740), (70, 414206192), (80, 362430418), (112, 258878870), (140, 207103096), (157, 184677920), (160, 181215209), (181, 160190240), (224, 129439435), (280, 103551548), (314, 92338960), (362, 80095120), (560, 51775774), (628, 46169480), (724, 40047560), (785, 36935584), (905, 32038048), (911, 31827040), (1099, 26382560), (1120, 25887887), (1256, 23084740), (1267, 22884320), (1448, 20023780), (1570, 18467792), (1810, 16019024), (1822, 15913520), (2198, 13191280), (2512, 11542370), (2534, 11442160), (2896, 10011890), (3140, 9233896), (3620, 8009512), (3644, 7956760), (4396, 6595640), (4555, 6365408), (5024, 5771185), (5068, 5721080), (5495, 5276512), (5792, 5005945), (6280, 4616948), (6335, 4576864), (6377, 4546720), (7240, 4004756), (7288, 3978380), (8792, 3297820), (9110, 3182704), (10136, 2860540), (10990, 2638256), (12560, 2308474), (12670, 2288432), (12754, 2273360), (14480, 2002378), (14576, 1989190), (17584, 1648910), (18220, 1591352), (20272, 1430270), (21980, 1319128), (25120, 1154237), (25340, 1144216), (25508, 1136680), (28417, 1020320), (28960, 1001189), (29152, 994595), (31885, 909344), (35168, 824455), (36440, 795676), (40544, 715135), (43960, 659564), (50680, 572108), (51016, 568340), (56834, 510160), (63770, 454672), (72880, 397838), (87920, 329782), (101360, 286054), (102032, 284170), (113668, 255080), (127540, 227336), (142085, 204064), (143027, 202720), (145760, 198919), (164891, 175840)]