156764720

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 441936000

約数和(自身を除く): 285171280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 197, 203, 232, 245, 280, 290, 343, 392, 394, 406, 464, 490, 560, 580, 686, 784, 788, 812, 980, 985, 1015, 1160, 1372, 1379, 1421, 1576, 1624, 1715, 1960, 1970, 2030, 2320, 2744, 2758, 2842, 3152, 3248, 3430, 3920, 3940, 4060, 5488, 5516, 5684, 5713, 6860, 6895, 7105, 7880, 8120, 9653, 9947, 11032, 11368, 11426, 13720, 13790, 14210, 15760, 16240, 19306, 19894, 22064, 22736, 22852, 27440, 27580, 28420, 28565, 38612, 39788, 39991, 45704, 48265, 49735, 55160, 56840, 57130, 67571, 77224, 79576, 79982, 91408, 96530, 99470, 110320, 113680, 114260, 135142, 154448, 159152, 159964, 193060, 198940, 199955, 228520, 270284, 279937, 319928, 337855, 386120, 397880, 399910, 457040, 540568, 559874, 639856, 675710, 772240, 795760, 799820, 1081136, 1119748, 1351420, 1399685, 1599640, 1959559, 2239496, 2702840, 2799370, 3199280, 3919118, 4478992, 5405680, 5598740, 7838236, 9797795, 11197480, 15676472, 19595590, 22394960, 31352944, 39191180, 78382360, 156764720]

約数ペア:

[(1, 156764720), (2, 78382360), (4, 39191180), (5, 31352944), (7, 22394960), (8, 19595590), (10, 15676472), (14, 11197480), (16, 9797795), (20, 7838236), (28, 5598740), (29, 5405680), (35, 4478992), (40, 3919118), (49, 3199280), (56, 2799370), (58, 2702840), (70, 2239496), (80, 1959559), (98, 1599640), (112, 1399685), (116, 1351420), (140, 1119748), (145, 1081136), (196, 799820), (197, 795760), (203, 772240), (232, 675710), (245, 639856), (280, 559874), (290, 540568), (343, 457040), (392, 399910), (394, 397880), (406, 386120), (464, 337855), (490, 319928), (560, 279937), (580, 270284), (686, 228520), (784, 199955), (788, 198940), (812, 193060), (980, 159964), (985, 159152), (1015, 154448), (1160, 135142), (1372, 114260), (1379, 113680), (1421, 110320), (1576, 99470), (1624, 96530), (1715, 91408), (1960, 79982), (1970, 79576), (2030, 77224), (2320, 67571), (2744, 57130), (2758, 56840), (2842, 55160), (3152, 49735), (3248, 48265), (3430, 45704), (3920, 39991), (3940, 39788), (4060, 38612), (5488, 28565), (5516, 28420), (5684, 27580), (5713, 27440), (6860, 22852), (6895, 22736), (7105, 22064), (7880, 19894), (8120, 19306), (9653, 16240), (9947, 15760), (11032, 14210), (11368, 13790), (11426, 13720)]