51307020

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 216

約数和(自身を含む): 178555104

約数和(自身を除く): 127248084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 60, 68, 69, 81, 85, 90, 92, 102, 108, 115, 135, 138, 153, 162, 170, 180, 204, 207, 230, 243, 255, 270, 276, 306, 324, 340, 345, 391, 405, 414, 459, 460, 486, 510, 540, 612, 621, 690, 729, 765, 782, 810, 828, 918, 972, 1020, 1035, 1173, 1215, 1242, 1377, 1380, 1458, 1530, 1564, 1620, 1836, 1863, 1955, 2070, 2187, 2295, 2346, 2430, 2484, 2754, 2916, 3060, 3105, 3519, 3645, 3726, 3910, 4131, 4140, 4374, 4590, 4692, 4860, 5508, 5589, 5865, 6210, 6561, 6885, 7038, 7290, 7452, 7820, 8262, 8748, 9180, 9315, 10557, 10935, 11178, 11730, 12393, 12420, 13122, 13770, 14076, 14580, 16524, 16767, 17595, 18630, 20655, 21114, 21870, 22356, 23460, 24786, 26244, 27540, 27945, 31671, 32805, 33534, 35190, 37179, 37260, 41310, 42228, 43740, 49572, 50301, 52785, 55890, 61965, 63342, 65610, 67068, 70380, 74358, 82620, 83835, 95013, 100602, 105570, 111537, 111780, 123930, 126684, 131220, 148716, 150903, 158355, 167670, 185895, 190026, 201204, 211140, 223074, 247860, 251505, 285039, 301806, 316710, 335340, 371790, 380052, 446148, 475065, 503010, 557685, 570078, 603612, 633420, 743580, 754515, 855117, 950130, 1006020, 1115370, 1140156, 1425195, 1509030, 1710234, 1900260, 2230740, 2565351, 2850390, 3018060, 3420468, 4275585, 5130702, 5700780, 8551170, 10261404, 12826755, 17102340, 25653510, 51307020]

約数ペア:

[(1, 51307020), (2, 25653510), (3, 17102340), (4, 12826755), (5, 10261404), (6, 8551170), (9, 5700780), (10, 5130702), (12, 4275585), (15, 3420468), (17, 3018060), (18, 2850390), (20, 2565351), (23, 2230740), (27, 1900260), (30, 1710234), (34, 1509030), (36, 1425195), (45, 1140156), (46, 1115370), (51, 1006020), (54, 950130), (60, 855117), (68, 754515), (69, 743580), (81, 633420), (85, 603612), (90, 570078), (92, 557685), (102, 503010), (108, 475065), (115, 446148), (135, 380052), (138, 371790), (153, 335340), (162, 316710), (170, 301806), (180, 285039), (204, 251505), (207, 247860), (230, 223074), (243, 211140), (255, 201204), (270, 190026), (276, 185895), (306, 167670), (324, 158355), (340, 150903), (345, 148716), (391, 131220), (405, 126684), (414, 123930), (459, 111780), (460, 111537), (486, 105570), (510, 100602), (540, 95013), (612, 83835), (621, 82620), (690, 74358), (729, 70380), (765, 67068), (782, 65610), (810, 63342), (828, 61965), (918, 55890), (972, 52785), (1020, 50301), (1035, 49572), (1173, 43740), (1215, 42228), (1242, 41310), (1377, 37260), (1380, 37179), (1458, 35190), (1530, 33534), (1564, 32805), (1620, 31671), (1836, 27945), (1863, 27540), (1955, 26244), (2070, 24786), (2187, 23460), (2295, 22356), (2346, 21870), (2430, 21114), (2484, 20655), (2754, 18630), (2916, 17595), (3060, 16767), (3105, 16524), (3519, 14580), (3645, 14076), (3726, 13770), (3910, 13122), (4131, 12420), (4140, 12393), (4374, 11730), (4590, 11178), (4692, 10935), (4860, 10557), (5508, 9315), (5589, 9180), (5865, 8748), (6210, 8262), (6561, 7820), (6885, 7452), (7038, 7290)]