28196760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 62523240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 149, 152, 166, 190, 228, 249, 285, 298, 332, 380, 415, 447, 456, 498, 570, 596, 664, 745, 760, 830, 894, 996, 1140, 1192, 1245, 1490, 1577, 1660, 1788, 1992, 2235, 2280, 2490, 2831, 2980, 3154, 3320, 3576, 4470, 4731, 4980, 5662, 5960, 6308, 7885, 8493, 8940, 9462, 9960, 11324, 12367, 12616, 14155, 15770, 16986, 17880, 18924, 22648, 23655, 24734, 28310, 31540, 33972, 37101, 37848, 42465, 47310, 49468, 56620, 61835, 63080, 67944, 74202, 84930, 94620, 98936, 113240, 123670, 148404, 169860, 185505, 189240, 234973, 247340, 296808, 339720, 371010, 469946, 494680, 704919, 742020, 939892, 1174865, 1409838, 1484040, 1879784, 2349730, 2819676, 3524595, 4699460, 5639352, 7049190, 9398920, 14098380, 28196760]

約数ペア:

[(1, 28196760), (2, 14098380), (3, 9398920), (4, 7049190), (5, 5639352), (6, 4699460), (8, 3524595), (10, 2819676), (12, 2349730), (15, 1879784), (19, 1484040), (20, 1409838), (24, 1174865), (30, 939892), (38, 742020), (40, 704919), (57, 494680), (60, 469946), (76, 371010), (83, 339720), (95, 296808), (114, 247340), (120, 234973), (149, 189240), (152, 185505), (166, 169860), (190, 148404), (228, 123670), (249, 113240), (285, 98936), (298, 94620), (332, 84930), (380, 74202), (415, 67944), (447, 63080), (456, 61835), (498, 56620), (570, 49468), (596, 47310), (664, 42465), (745, 37848), (760, 37101), (830, 33972), (894, 31540), (996, 28310), (1140, 24734), (1192, 23655), (1245, 22648), (1490, 18924), (1577, 17880), (1660, 16986), (1788, 15770), (1992, 14155), (2235, 12616), (2280, 12367), (2490, 11324), (2831, 9960), (2980, 9462), (3154, 8940), (3320, 8493), (3576, 7885), (4470, 6308), (4731, 5960), (4980, 5662)]