61791660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{5449}}^1$

素因数の和:5477

約数の個数: 120

約数和(自身を含む): 221575200

約数和(自身を除く): 159783540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5449, 5670, 10898, 11340, 16347, 21796, 27245, 32694, 38143, 49041, 54490, 65388, 76286, 81735, 98082, 108980, 114429, 147123, 152572, 163470, 190715, 196164, 228858, 245205, 294246, 326940, 343287, 381430, 441369, 457716, 490410, 572145, 588492, 686574, 735615, 762860, 882738, 980820, 1029861, 1144290, 1373148, 1471230, 1716435, 1765476, 2059722, 2206845, 2288580, 2942460, 3089583, 3432870, 4119444, 4413690, 5149305, 6179166, 6865740, 8827380, 10298610, 12358332, 15447915, 20597220, 30895830, 61791660]

約数ペア:

[(1, 61791660), (2, 30895830), (3, 20597220), (4, 15447915), (5, 12358332), (6, 10298610), (7, 8827380), (9, 6865740), (10, 6179166), (12, 5149305), (14, 4413690), (15, 4119444), (18, 3432870), (20, 3089583), (21, 2942460), (27, 2288580), (28, 2206845), (30, 2059722), (35, 1765476), (36, 1716435), (42, 1471230), (45, 1373148), (54, 1144290), (60, 1029861), (63, 980820), (70, 882738), (81, 762860), (84, 735615), (90, 686574), (105, 588492), (108, 572145), (126, 490410), (135, 457716), (140, 441369), (162, 381430), (180, 343287), (189, 326940), (210, 294246), (252, 245205), (270, 228858), (315, 196164), (324, 190715), (378, 163470), (405, 152572), (420, 147123), (540, 114429), (567, 108980), (630, 98082), (756, 81735), (810, 76286), (945, 65388), (1134, 54490), (1260, 49041), (1620, 38143), (1890, 32694), (2268, 27245), (2835, 21796), (3780, 16347), (5449, 11340), (5670, 10898)]