80224020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1012

約数の個数: 144

約数和(自身を含む): 267478848

約数和(自身を除く): 187254828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 971, 972, 1020, 1215, 1377, 1530, 1620, 1836, 1942, 2295, 2430, 2754, 2913, 3060, 3884, 4131, 4590, 4855, 4860, 5508, 5826, 6885, 8262, 8739, 9180, 9710, 11652, 13770, 14565, 16507, 16524, 17478, 19420, 20655, 26217, 27540, 29130, 33014, 34956, 41310, 43695, 49521, 52434, 58260, 66028, 78651, 82535, 82620, 87390, 99042, 104868, 131085, 148563, 157302, 165070, 174780, 198084, 235953, 247605, 262170, 297126, 314604, 330140, 393255, 445689, 471906, 495210, 524340, 594252, 742815, 786510, 891378, 943812, 990420, 1179765, 1337067, 1485630, 1573020, 1782756, 2228445, 2359530, 2674134, 2971260, 4011201, 4456890, 4719060, 5348268, 6685335, 8022402, 8913780, 13370670, 16044804, 20056005, 26741340, 40112010, 80224020]

約数ペア:

[(1, 80224020), (2, 40112010), (3, 26741340), (4, 20056005), (5, 16044804), (6, 13370670), (9, 8913780), (10, 8022402), (12, 6685335), (15, 5348268), (17, 4719060), (18, 4456890), (20, 4011201), (27, 2971260), (30, 2674134), (34, 2359530), (36, 2228445), (45, 1782756), (51, 1573020), (54, 1485630), (60, 1337067), (68, 1179765), (81, 990420), (85, 943812), (90, 891378), (102, 786510), (108, 742815), (135, 594252), (153, 524340), (162, 495210), (170, 471906), (180, 445689), (204, 393255), (243, 330140), (255, 314604), (270, 297126), (306, 262170), (324, 247605), (340, 235953), (405, 198084), (459, 174780), (486, 165070), (510, 157302), (540, 148563), (612, 131085), (765, 104868), (810, 99042), (918, 87390), (971, 82620), (972, 82535), (1020, 78651), (1215, 66028), (1377, 58260), (1530, 52434), (1620, 49521), (1836, 43695), (1942, 41310), (2295, 34956), (2430, 33014), (2754, 29130), (2913, 27540), (3060, 26217), (3884, 20655), (4131, 19420), (4590, 17478), (4855, 16524), (4860, 16507), (5508, 14565), (5826, 13770), (6885, 11652), (8262, 9710), (8739, 9180)]