78807240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 276307200

約数和(自身を除く): 197499960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 79, 85, 90, 102, 120, 136, 153, 158, 163, 170, 180, 204, 237, 255, 306, 316, 326, 340, 360, 395, 408, 474, 489, 510, 612, 632, 652, 680, 711, 765, 790, 815, 948, 978, 1020, 1185, 1224, 1304, 1343, 1422, 1467, 1530, 1580, 1630, 1896, 1956, 2040, 2370, 2445, 2686, 2771, 2844, 2934, 3060, 3160, 3260, 3555, 3912, 4029, 4740, 4890, 5372, 5542, 5688, 5868, 6120, 6520, 6715, 7110, 7335, 8058, 8313, 9480, 9780, 10744, 11084, 11736, 12087, 12877, 13430, 13855, 14220, 14670, 16116, 16626, 19560, 20145, 22168, 24174, 24939, 25754, 26860, 27710, 28440, 29340, 32232, 33252, 38631, 40290, 41565, 48348, 49878, 51508, 53720, 55420, 58680, 60435, 64385, 66504, 77262, 80580, 83130, 96696, 99756, 103016, 110840, 115893, 120870, 124695, 128770, 154524, 161160, 166260, 193155, 199512, 218909, 231786, 241740, 249390, 257540, 309048, 332520, 386310, 437818, 463572, 483480, 498780, 515080, 579465, 656727, 772620, 875636, 927144, 997560, 1094545, 1158930, 1313454, 1545240, 1751272, 1970181, 2189090, 2317860, 2626908, 3283635, 3940362, 4378180, 4635720, 5253816, 6567270, 7880724, 8756360, 9850905, 13134540, 15761448, 19701810, 26269080, 39403620, 78807240]

約数ペア:

[(1, 78807240), (2, 39403620), (3, 26269080), (4, 19701810), (5, 15761448), (6, 13134540), (8, 9850905), (9, 8756360), (10, 7880724), (12, 6567270), (15, 5253816), (17, 4635720), (18, 4378180), (20, 3940362), (24, 3283635), (30, 2626908), (34, 2317860), (36, 2189090), (40, 1970181), (45, 1751272), (51, 1545240), (60, 1313454), (68, 1158930), (72, 1094545), (79, 997560), (85, 927144), (90, 875636), (102, 772620), (120, 656727), (136, 579465), (153, 515080), (158, 498780), (163, 483480), (170, 463572), (180, 437818), (204, 386310), (237, 332520), (255, 309048), (306, 257540), (316, 249390), (326, 241740), (340, 231786), (360, 218909), (395, 199512), (408, 193155), (474, 166260), (489, 161160), (510, 154524), (612, 128770), (632, 124695), (652, 120870), (680, 115893), (711, 110840), (765, 103016), (790, 99756), (815, 96696), (948, 83130), (978, 80580), (1020, 77262), (1185, 66504), (1224, 64385), (1304, 60435), (1343, 58680), (1422, 55420), (1467, 53720), (1530, 51508), (1580, 49878), (1630, 48348), (1896, 41565), (1956, 40290), (2040, 38631), (2370, 33252), (2445, 32232), (2686, 29340), (2771, 28440), (2844, 27710), (2934, 26860), (3060, 25754), (3160, 24939), (3260, 24174), (3555, 22168), (3912, 20145), (4029, 19560), (4740, 16626), (4890, 16116), (5372, 14670), (5542, 14220), (5688, 13855), (5868, 13430), (6120, 12877), (6520, 12087), (6715, 11736), (7110, 11084), (7335, 10744), (8058, 9780), (8313, 9480)]