128742960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 422972928

約数和(自身を除く): 294229968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 83, 92, 115, 120, 138, 166, 184, 230, 240, 249, 276, 281, 332, 345, 368, 415, 460, 498, 552, 562, 664, 690, 830, 843, 920, 996, 1104, 1124, 1245, 1328, 1380, 1405, 1660, 1686, 1840, 1909, 1992, 2248, 2490, 2760, 2810, 3320, 3372, 3818, 3984, 4215, 4496, 4980, 5520, 5620, 5727, 6463, 6640, 6744, 7636, 8430, 9545, 9960, 11240, 11454, 12926, 13488, 15272, 16860, 19090, 19389, 19920, 22480, 22908, 23323, 25852, 28635, 30544, 32315, 33720, 38180, 38778, 45816, 46646, 51704, 57270, 64630, 67440, 69969, 76360, 77556, 91632, 93292, 96945, 103408, 114540, 116615, 129260, 139938, 152720, 155112, 186584, 193890, 229080, 233230, 258520, 279876, 310224, 349845, 373168, 387780, 458160, 466460, 517040, 536429, 559752, 699690, 775560, 932920, 1072858, 1119504, 1399380, 1551120, 1609287, 1865840, 2145716, 2682145, 2798760, 3218574, 4291432, 5364290, 5597520, 6437148, 8046435, 8582864, 10728580, 12874296, 16092870, 21457160, 25748592, 32185740, 42914320, 64371480, 128742960]

約数ペア:

[(1, 128742960), (2, 64371480), (3, 42914320), (4, 32185740), (5, 25748592), (6, 21457160), (8, 16092870), (10, 12874296), (12, 10728580), (15, 8582864), (16, 8046435), (20, 6437148), (23, 5597520), (24, 5364290), (30, 4291432), (40, 3218574), (46, 2798760), (48, 2682145), (60, 2145716), (69, 1865840), (80, 1609287), (83, 1551120), (92, 1399380), (115, 1119504), (120, 1072858), (138, 932920), (166, 775560), (184, 699690), (230, 559752), (240, 536429), (249, 517040), (276, 466460), (281, 458160), (332, 387780), (345, 373168), (368, 349845), (415, 310224), (460, 279876), (498, 258520), (552, 233230), (562, 229080), (664, 193890), (690, 186584), (830, 155112), (843, 152720), (920, 139938), (996, 129260), (1104, 116615), (1124, 114540), (1245, 103408), (1328, 96945), (1380, 93292), (1405, 91632), (1660, 77556), (1686, 76360), (1840, 69969), (1909, 67440), (1992, 64630), (2248, 57270), (2490, 51704), (2760, 46646), (2810, 45816), (3320, 38778), (3372, 38180), (3818, 33720), (3984, 32315), (4215, 30544), (4496, 28635), (4980, 25852), (5520, 23323), (5620, 22908), (5727, 22480), (6463, 19920), (6640, 19389), (6744, 19090), (7636, 16860), (8430, 15272), (9545, 13488), (9960, 12926), (11240, 11454)]