79281720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{10487}}^1$

素因数の和:10514

約数の個数: 128

約数和(自身を含む): 302054400

約数和(自身を除く): 222772680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 10487, 20974, 31461, 41948, 52435, 62922, 73409, 83896, 94383, 104870, 125844, 146818, 157305, 188766, 209740, 220227, 251688, 283149, 293636, 314610, 367045, 377532, 419480, 440454, 471915, 566298, 587272, 629220, 660681, 734090, 755064, 880908, 943830, 1101135, 1132596, 1258440, 1321362, 1415745, 1468180, 1761816, 1887660, 1982043, 2202270, 2265192, 2642724, 2831490, 2936360, 3303405, 3775320, 3964086, 4404540, 5285448, 5662980, 6606810, 7928172, 8809080, 9910215, 11325960, 13213620, 15856344, 19820430, 26427240, 39640860, 79281720]

約数ペア:

[(1, 79281720), (2, 39640860), (3, 26427240), (4, 19820430), (5, 15856344), (6, 13213620), (7, 11325960), (8, 9910215), (9, 8809080), (10, 7928172), (12, 6606810), (14, 5662980), (15, 5285448), (18, 4404540), (20, 3964086), (21, 3775320), (24, 3303405), (27, 2936360), (28, 2831490), (30, 2642724), (35, 2265192), (36, 2202270), (40, 1982043), (42, 1887660), (45, 1761816), (54, 1468180), (56, 1415745), (60, 1321362), (63, 1258440), (70, 1132596), (72, 1101135), (84, 943830), (90, 880908), (105, 755064), (108, 734090), (120, 660681), (126, 629220), (135, 587272), (140, 566298), (168, 471915), (180, 440454), (189, 419480), (210, 377532), (216, 367045), (252, 314610), (270, 293636), (280, 283149), (315, 251688), (360, 220227), (378, 209740), (420, 188766), (504, 157305), (540, 146818), (630, 125844), (756, 104870), (840, 94383), (945, 83896), (1080, 73409), (1260, 62922), (1512, 52435), (1890, 41948), (2520, 31461), (3780, 20974), (7560, 10487)]