42507180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 120

約数和(自身を含む): 140466480

約数和(自身を除く): 97959300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1381, 1539, 1620, 1710, 2052, 2565, 2762, 3078, 3420, 4143, 5130, 5524, 6156, 6905, 7695, 8286, 10260, 12429, 13810, 15390, 16572, 20715, 24858, 26239, 27620, 30780, 37287, 41430, 49716, 52478, 62145, 74574, 78717, 82860, 104956, 111861, 124290, 131195, 149148, 157434, 186435, 223722, 236151, 248580, 262390, 314868, 372870, 393585, 447444, 472302, 524780, 559305, 708453, 745740, 787170, 944604, 1118610, 1180755, 1416906, 1574340, 2125359, 2237220, 2361510, 2833812, 3542265, 4250718, 4723020, 7084530, 8501436, 10626795, 14169060, 21253590, 42507180]

約数ペア:

[(1, 42507180), (2, 21253590), (3, 14169060), (4, 10626795), (5, 8501436), (6, 7084530), (9, 4723020), (10, 4250718), (12, 3542265), (15, 2833812), (18, 2361510), (19, 2237220), (20, 2125359), (27, 1574340), (30, 1416906), (36, 1180755), (38, 1118610), (45, 944604), (54, 787170), (57, 745740), (60, 708453), (76, 559305), (81, 524780), (90, 472302), (95, 447444), (108, 393585), (114, 372870), (135, 314868), (162, 262390), (171, 248580), (180, 236151), (190, 223722), (228, 186435), (270, 157434), (285, 149148), (324, 131195), (342, 124290), (380, 111861), (405, 104956), (513, 82860), (540, 78717), (570, 74574), (684, 62145), (810, 52478), (855, 49716), (1026, 41430), (1140, 37287), (1381, 30780), (1539, 27620), (1620, 26239), (1710, 24858), (2052, 20715), (2565, 16572), (2762, 15390), (3078, 13810), (3420, 12429), (4143, 10260), (5130, 8286), (5524, 7695), (6156, 6905)]