21438549960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{13147}}^1$

素因数の和:13395

約数の個数: 128

約数和(自身を含む): 65432862720

約数和(自身を除く): 43994312760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 127, 214, 254, 321, 381, 428, 508, 535, 635, 642, 762, 856, 1016, 1070, 1270, 1284, 1524, 1605, 1905, 2140, 2540, 2568, 3048, 3210, 3810, 4280, 5080, 6420, 7620, 12840, 13147, 13589, 15240, 26294, 27178, 39441, 40767, 52588, 54356, 65735, 67945, 78882, 81534, 105176, 108712, 131470, 135890, 157764, 163068, 197205, 203835, 262940, 271780, 315528, 326136, 394410, 407670, 525880, 543560, 788820, 815340, 1406729, 1577640, 1630680, 1669669, 2813458, 3339338, 4220187, 5009007, 5626916, 6678676, 7033645, 8348345, 8440374, 10018014, 11253832, 13357352, 14067290, 16696690, 16880748, 20036028, 21100935, 25045035, 28134580, 33393380, 33761496, 40072056, 42201870, 50090070, 56269160, 66786760, 84403740, 100180140, 168807480, 178654583, 200360280, 357309166, 535963749, 714618332, 893272915, 1071927498, 1429236664, 1786545830, 2143854996, 2679818745, 3573091660, 4287709992, 5359637490, 7146183320, 10719274980, 21438549960]

約数ペア:

[(1, 21438549960), (2, 10719274980), (3, 7146183320), (4, 5359637490), (5, 4287709992), (6, 3573091660), (8, 2679818745), (10, 2143854996), (12, 1786545830), (15, 1429236664), (20, 1071927498), (24, 893272915), (30, 714618332), (40, 535963749), (60, 357309166), (107, 200360280), (120, 178654583), (127, 168807480), (214, 100180140), (254, 84403740), (321, 66786760), (381, 56269160), (428, 50090070), (508, 42201870), (535, 40072056), (635, 33761496), (642, 33393380), (762, 28134580), (856, 25045035), (1016, 21100935), (1070, 20036028), (1270, 16880748), (1284, 16696690), (1524, 14067290), (1605, 13357352), (1905, 11253832), (2140, 10018014), (2540, 8440374), (2568, 8348345), (3048, 7033645), (3210, 6678676), (3810, 5626916), (4280, 5009007), (5080, 4220187), (6420, 3339338), (7620, 2813458), (12840, 1669669), (13147, 1630680), (13589, 1577640), (15240, 1406729), (26294, 815340), (27178, 788820), (39441, 543560), (40767, 525880), (52588, 407670), (54356, 394410), (65735, 326136), (67945, 315528), (78882, 271780), (81534, 262940), (105176, 203835), (108712, 197205), (131470, 163068), (135890, 157764)]