81184020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 240226560

約数和(自身を除く): 159042540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 89, 92, 115, 138, 178, 230, 267, 276, 345, 356, 445, 460, 534, 661, 690, 890, 1068, 1322, 1335, 1380, 1780, 1983, 2047, 2644, 2670, 3305, 3966, 4094, 5340, 6141, 6610, 7932, 8188, 9915, 10235, 12282, 13220, 15203, 19830, 20470, 24564, 30406, 30705, 39660, 40940, 45609, 58829, 60812, 61410, 76015, 91218, 117658, 122820, 152030, 176487, 182436, 228045, 235316, 294145, 304060, 352974, 456090, 588290, 705948, 882435, 912180, 1176580, 1353067, 1764870, 2706134, 3529740, 4059201, 5412268, 6765335, 8118402, 13530670, 16236804, 20296005, 27061340, 40592010, 81184020]

約数ペア:

[(1, 81184020), (2, 40592010), (3, 27061340), (4, 20296005), (5, 16236804), (6, 13530670), (10, 8118402), (12, 6765335), (15, 5412268), (20, 4059201), (23, 3529740), (30, 2706134), (46, 1764870), (60, 1353067), (69, 1176580), (89, 912180), (92, 882435), (115, 705948), (138, 588290), (178, 456090), (230, 352974), (267, 304060), (276, 294145), (345, 235316), (356, 228045), (445, 182436), (460, 176487), (534, 152030), (661, 122820), (690, 117658), (890, 91218), (1068, 76015), (1322, 61410), (1335, 60812), (1380, 58829), (1780, 45609), (1983, 40940), (2047, 39660), (2644, 30705), (2670, 30406), (3305, 24564), (3966, 20470), (4094, 19830), (5340, 15203), (6141, 13220), (6610, 12282), (7932, 10235), (8188, 9915)]