261790740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1942

約数の個数: 144

約数和(自身を含む): 856739520

約数和(自身を除く): 594948780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1476, 1558, 1710, 1845, 1867, 2337, 2460, 3116, 3420, 3690, 3734, 3895, 4674, 5601, 7011, 7380, 7468, 7790, 9335, 9348, 11202, 11685, 14022, 15580, 16803, 18670, 22404, 23370, 28005, 28044, 33606, 35055, 35473, 37340, 46740, 56010, 67212, 70110, 70946, 76547, 84015, 106419, 112020, 140220, 141892, 153094, 168030, 177365, 212838, 229641, 306188, 319257, 336060, 354730, 382735, 425676, 459282, 532095, 638514, 688923, 709460, 765470, 918564, 1064190, 1148205, 1277028, 1377846, 1454393, 1530940, 1596285, 2128380, 2296410, 2755692, 2908786, 3192570, 3444615, 4363179, 4592820, 5817572, 6385140, 6889230, 7271965, 8726358, 13089537, 13778460, 14543930, 17452716, 21815895, 26179074, 29087860, 43631790, 52358148, 65447685, 87263580, 130895370, 261790740]

約数ペア:

[(1, 261790740), (2, 130895370), (3, 87263580), (4, 65447685), (5, 52358148), (6, 43631790), (9, 29087860), (10, 26179074), (12, 21815895), (15, 17452716), (18, 14543930), (19, 13778460), (20, 13089537), (30, 8726358), (36, 7271965), (38, 6889230), (41, 6385140), (45, 5817572), (57, 4592820), (60, 4363179), (76, 3444615), (82, 3192570), (90, 2908786), (95, 2755692), (114, 2296410), (123, 2128380), (164, 1596285), (171, 1530940), (180, 1454393), (190, 1377846), (205, 1277028), (228, 1148205), (246, 1064190), (285, 918564), (342, 765470), (369, 709460), (380, 688923), (410, 638514), (492, 532095), (570, 459282), (615, 425676), (684, 382735), (738, 354730), (779, 336060), (820, 319257), (855, 306188), (1140, 229641), (1230, 212838), (1476, 177365), (1558, 168030), (1710, 153094), (1845, 141892), (1867, 140220), (2337, 112020), (2460, 106419), (3116, 84015), (3420, 76547), (3690, 70946), (3734, 70110), (3895, 67212), (4674, 56010), (5601, 46740), (7011, 37340), (7380, 35473), (7468, 35055), (7790, 33606), (9335, 28044), (9348, 28005), (11202, 23370), (11685, 22404), (14022, 18670), (15580, 16803)]