256413960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 192

約数和(自身を含む): 922596480

約数和(自身を除く): 666182520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 73, 88, 90, 99, 110, 120, 132, 146, 165, 180, 198, 219, 220, 264, 292, 330, 360, 365, 396, 438, 440, 495, 584, 657, 660, 730, 792, 803, 876, 887, 990, 1095, 1314, 1320, 1460, 1606, 1752, 1774, 1980, 2190, 2409, 2628, 2661, 2920, 3212, 3285, 3548, 3960, 4015, 4380, 4435, 4818, 5256, 5322, 6424, 6570, 7096, 7227, 7983, 8030, 8760, 8870, 9636, 9757, 10644, 12045, 13140, 13305, 14454, 15966, 16060, 17740, 19272, 19514, 21288, 24090, 26280, 26610, 28908, 29271, 31932, 32120, 35480, 36135, 39028, 39915, 48180, 48785, 53220, 57816, 58542, 63864, 64751, 72270, 78056, 79830, 87813, 96360, 97570, 106440, 117084, 129502, 144540, 146355, 159660, 175626, 194253, 195140, 234168, 259004, 289080, 292710, 319320, 323755, 351252, 388506, 390280, 439065, 518008, 582759, 585420, 647510, 702504, 712261, 777012, 878130, 971265, 1165518, 1170840, 1295020, 1424522, 1554024, 1756260, 1942530, 2136783, 2331036, 2590040, 2849044, 2913795, 3512520, 3561305, 3885060, 4273566, 4662072, 5698088, 5827590, 6410349, 7122610, 7770120, 8547132, 10683915, 11655180, 12820698, 14245220, 17094264, 21367830, 23310360, 25641396, 28490440, 32051745, 42735660, 51282792, 64103490, 85471320, 128206980, 256413960]

約数ペア:

[(1, 256413960), (2, 128206980), (3, 85471320), (4, 64103490), (5, 51282792), (6, 42735660), (8, 32051745), (9, 28490440), (10, 25641396), (11, 23310360), (12, 21367830), (15, 17094264), (18, 14245220), (20, 12820698), (22, 11655180), (24, 10683915), (30, 8547132), (33, 7770120), (36, 7122610), (40, 6410349), (44, 5827590), (45, 5698088), (55, 4662072), (60, 4273566), (66, 3885060), (72, 3561305), (73, 3512520), (88, 2913795), (90, 2849044), (99, 2590040), (110, 2331036), (120, 2136783), (132, 1942530), (146, 1756260), (165, 1554024), (180, 1424522), (198, 1295020), (219, 1170840), (220, 1165518), (264, 971265), (292, 878130), (330, 777012), (360, 712261), (365, 702504), (396, 647510), (438, 585420), (440, 582759), (495, 518008), (584, 439065), (657, 390280), (660, 388506), (730, 351252), (792, 323755), (803, 319320), (876, 292710), (887, 289080), (990, 259004), (1095, 234168), (1314, 195140), (1320, 194253), (1460, 175626), (1606, 159660), (1752, 146355), (1774, 144540), (1980, 129502), (2190, 117084), (2409, 106440), (2628, 97570), (2661, 96360), (2920, 87813), (3212, 79830), (3285, 78056), (3548, 72270), (3960, 64751), (4015, 63864), (4380, 58542), (4435, 57816), (4818, 53220), (5256, 48785), (5322, 48180), (6424, 39915), (6570, 39028), (7096, 36135), (7227, 35480), (7983, 32120), (8030, 31932), (8760, 29271), (8870, 28908), (9636, 26610), (9757, 26280), (10644, 24090), (12045, 21288), (13140, 19514), (13305, 19272), (14454, 17740), (15966, 16060)]