171912840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 256

約数和(自身を含む): 612126720

約数和(自身を除く): 440213880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 47, 51, 55, 60, 66, 68, 85, 88, 94, 102, 110, 120, 132, 136, 141, 163, 165, 170, 187, 188, 204, 220, 235, 255, 264, 282, 326, 330, 340, 374, 376, 408, 440, 470, 489, 510, 517, 561, 564, 652, 660, 680, 705, 748, 799, 815, 935, 940, 978, 1020, 1034, 1122, 1128, 1304, 1320, 1410, 1496, 1551, 1598, 1630, 1793, 1870, 1880, 1956, 2040, 2068, 2244, 2397, 2445, 2585, 2771, 2805, 2820, 3102, 3196, 3260, 3586, 3740, 3912, 3995, 4136, 4488, 4794, 4890, 5170, 5379, 5542, 5610, 5640, 6204, 6392, 6520, 7172, 7480, 7661, 7755, 7990, 8313, 8789, 8965, 9588, 9780, 10340, 10758, 11084, 11220, 11985, 12408, 13855, 14344, 15322, 15510, 15980, 16626, 17578, 17930, 19176, 19560, 20680, 21516, 22168, 22440, 22983, 23970, 26367, 26895, 27710, 30481, 30644, 31020, 31960, 33252, 35156, 35860, 38305, 41565, 43032, 43945, 45966, 47940, 52734, 53790, 55420, 60962, 61288, 62040, 66504, 70312, 71720, 76610, 83130, 84271, 87890, 91443, 91932, 95880, 105468, 107580, 110840, 114915, 121924, 130237, 131835, 152405, 153220, 166260, 168542, 175780, 182886, 183864, 210936, 215160, 229830, 243848, 252813, 260474, 263670, 304810, 306440, 332520, 337084, 351560, 365772, 390711, 421355, 457215, 459660, 505626, 520948, 527340, 609620, 651185, 674168, 731544, 781422, 842710, 914430, 919320, 1011252, 1041896, 1054680, 1219240, 1264065, 1302370, 1432607, 1562844, 1685420, 1828860, 1953555, 2022504, 2528130, 2604740, 2865214, 3125688, 3370840, 3657720, 3907110, 4297821, 5056260, 5209480, 5730428, 7163035, 7814220, 8595642, 10112520, 11460856, 14326070, 15628440, 17191284, 21489105, 28652140, 34382568, 42978210, 57304280, 85956420, 171912840]

約数ペア:

[(1, 171912840), (2, 85956420), (3, 57304280), (4, 42978210), (5, 34382568), (6, 28652140), (8, 21489105), (10, 17191284), (11, 15628440), (12, 14326070), (15, 11460856), (17, 10112520), (20, 8595642), (22, 7814220), (24, 7163035), (30, 5730428), (33, 5209480), (34, 5056260), (40, 4297821), (44, 3907110), (47, 3657720), (51, 3370840), (55, 3125688), (60, 2865214), (66, 2604740), (68, 2528130), (85, 2022504), (88, 1953555), (94, 1828860), (102, 1685420), (110, 1562844), (120, 1432607), (132, 1302370), (136, 1264065), (141, 1219240), (163, 1054680), (165, 1041896), (170, 1011252), (187, 919320), (188, 914430), (204, 842710), (220, 781422), (235, 731544), (255, 674168), (264, 651185), (282, 609620), (326, 527340), (330, 520948), (340, 505626), (374, 459660), (376, 457215), (408, 421355), (440, 390711), (470, 365772), (489, 351560), (510, 337084), (517, 332520), (561, 306440), (564, 304810), (652, 263670), (660, 260474), (680, 252813), (705, 243848), (748, 229830), (799, 215160), (815, 210936), (935, 183864), (940, 182886), (978, 175780), (1020, 168542), (1034, 166260), (1122, 153220), (1128, 152405), (1304, 131835), (1320, 130237), (1410, 121924), (1496, 114915), (1551, 110840), (1598, 107580), (1630, 105468), (1793, 95880), (1870, 91932), (1880, 91443), (1956, 87890), (2040, 84271), (2068, 83130), (2244, 76610), (2397, 71720), (2445, 70312), (2585, 66504), (2771, 62040), (2805, 61288), (2820, 60962), (3102, 55420), (3196, 53790), (3260, 52734), (3586, 47940), (3740, 45966), (3912, 43945), (3995, 43032), (4136, 41565), (4488, 38305), (4794, 35860), (4890, 35156), (5170, 33252), (5379, 31960), (5542, 31020), (5610, 30644), (5640, 30481), (6204, 27710), (6392, 26895), (6520, 26367), (7172, 23970), (7480, 22983), (7661, 22440), (7755, 22168), (7990, 21516), (8313, 20680), (8789, 19560), (8965, 19176), (9588, 17930), (9780, 17578), (10340, 16626), (10758, 15980), (11084, 15510), (11220, 15322), (11985, 14344), (12408, 13855)]