28081880360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 67942022400

約数和(自身を除く): 39860142040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 107, 115, 157, 158, 184, 214, 230, 314, 316, 395, 428, 460, 529, 535, 628, 632, 785, 790, 856, 920, 1058, 1070, 1256, 1570, 1580, 1817, 2116, 2140, 2461, 2645, 3140, 3160, 3611, 3634, 4232, 4280, 4922, 5290, 6280, 7222, 7268, 8453, 9085, 9844, 10580, 12305, 12403, 14444, 14536, 16799, 16906, 18055, 18170, 19688, 21160, 24610, 24806, 28888, 33598, 33812, 36110, 36340, 41791, 42265, 49220, 49612, 56603, 62015, 67196, 67624, 72220, 72680, 83053, 83582, 83995, 84530, 98440, 99224, 113206, 124030, 134392, 144440, 166106, 167164, 167990, 169060, 194419, 208955, 226412, 248060, 283015, 285269, 332212, 334328, 335980, 338120, 386377, 388838, 415265, 417910, 452824, 496120, 566030, 570538, 664424, 671960, 772754, 777676, 830530, 835820, 972095, 1132060, 1141076, 1327121, 1426345, 1545508, 1555352, 1661060, 1671640, 1931885, 1944190, 2264120, 2282152, 2654242, 2852690, 3091016, 3322120, 3863770, 3888380, 4471637, 5308484, 5705380, 6561187, 6635605, 7727540, 7776760, 8886671, 8943274, 10616968, 11410760, 13122374, 13271210, 15455080, 17773342, 17886548, 22358185, 26244748, 26542420, 30523783, 32805935, 35546684, 35773096, 44433355, 44716370, 52489496, 53084840, 61047566, 65611870, 71093368, 88866710, 89432740, 122095132, 131223740, 152618915, 177733420, 178865480, 244190264, 262447480, 305237830, 355466840, 610475660, 702047009, 1220951320, 1404094018, 2808188036, 3510235045, 5616376072, 7020470090, 14040940180, 28081880360]

約数ペア:

[(1, 28081880360), (2, 14040940180), (4, 7020470090), (5, 5616376072), (8, 3510235045), (10, 2808188036), (20, 1404094018), (23, 1220951320), (40, 702047009), (46, 610475660), (79, 355466840), (92, 305237830), (107, 262447480), (115, 244190264), (157, 178865480), (158, 177733420), (184, 152618915), (214, 131223740), (230, 122095132), (314, 89432740), (316, 88866710), (395, 71093368), (428, 65611870), (460, 61047566), (529, 53084840), (535, 52489496), (628, 44716370), (632, 44433355), (785, 35773096), (790, 35546684), (856, 32805935), (920, 30523783), (1058, 26542420), (1070, 26244748), (1256, 22358185), (1570, 17886548), (1580, 17773342), (1817, 15455080), (2116, 13271210), (2140, 13122374), (2461, 11410760), (2645, 10616968), (3140, 8943274), (3160, 8886671), (3611, 7776760), (3634, 7727540), (4232, 6635605), (4280, 6561187), (4922, 5705380), (5290, 5308484), (6280, 4471637), (7222, 3888380), (7268, 3863770), (8453, 3322120), (9085, 3091016), (9844, 2852690), (10580, 2654242), (12305, 2282152), (12403, 2264120), (14444, 1944190), (14536, 1931885), (16799, 1671640), (16906, 1661060), (18055, 1555352), (18170, 1545508), (19688, 1426345), (21160, 1327121), (24610, 1141076), (24806, 1132060), (28888, 972095), (33598, 835820), (33812, 830530), (36110, 777676), (36340, 772754), (41791, 671960), (42265, 664424), (49220, 570538), (49612, 566030), (56603, 496120), (62015, 452824), (67196, 417910), (67624, 415265), (72220, 388838), (72680, 386377), (83053, 338120), (83582, 335980), (83995, 334328), (84530, 332212), (98440, 285269), (99224, 283015), (113206, 248060), (124030, 226412), (134392, 208955), (144440, 194419), (166106, 169060), (167164, 167990)]