251784060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 786508800

約数和(自身を除く): 534724740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 79, 110, 121, 132, 158, 165, 220, 237, 242, 316, 330, 363, 395, 439, 474, 484, 605, 660, 726, 790, 869, 878, 948, 1185, 1210, 1317, 1452, 1580, 1738, 1756, 1815, 2195, 2370, 2420, 2607, 2634, 3476, 3630, 4345, 4390, 4740, 4829, 5214, 5268, 6585, 7260, 8690, 8780, 9559, 9658, 10428, 13035, 13170, 14487, 17380, 19118, 19316, 24145, 26070, 26340, 28677, 28974, 34681, 38236, 47795, 48290, 52140, 53119, 57354, 57948, 69362, 72435, 95590, 96580, 104043, 106238, 114708, 138724, 143385, 144870, 159357, 173405, 191180, 208086, 212476, 265595, 286770, 289740, 318714, 346810, 381491, 416172, 520215, 531190, 573540, 637428, 693620, 762982, 796785, 1040430, 1062380, 1144473, 1525964, 1593570, 1907455, 2080860, 2288946, 3187140, 3814910, 4196401, 4577892, 5722365, 7629820, 8392802, 11444730, 12589203, 16785604, 20982005, 22889460, 25178406, 41964010, 50356812, 62946015, 83928020, 125892030, 251784060]

約数ペア:

[(1, 251784060), (2, 125892030), (3, 83928020), (4, 62946015), (5, 50356812), (6, 41964010), (10, 25178406), (11, 22889460), (12, 20982005), (15, 16785604), (20, 12589203), (22, 11444730), (30, 8392802), (33, 7629820), (44, 5722365), (55, 4577892), (60, 4196401), (66, 3814910), (79, 3187140), (110, 2288946), (121, 2080860), (132, 1907455), (158, 1593570), (165, 1525964), (220, 1144473), (237, 1062380), (242, 1040430), (316, 796785), (330, 762982), (363, 693620), (395, 637428), (439, 573540), (474, 531190), (484, 520215), (605, 416172), (660, 381491), (726, 346810), (790, 318714), (869, 289740), (878, 286770), (948, 265595), (1185, 212476), (1210, 208086), (1317, 191180), (1452, 173405), (1580, 159357), (1738, 144870), (1756, 143385), (1815, 138724), (2195, 114708), (2370, 106238), (2420, 104043), (2607, 96580), (2634, 95590), (3476, 72435), (3630, 69362), (4345, 57948), (4390, 57354), (4740, 53119), (4829, 52140), (5214, 48290), (5268, 47795), (6585, 38236), (7260, 34681), (8690, 28974), (8780, 28677), (9559, 26340), (9658, 26070), (10428, 24145), (13035, 19316), (13170, 19118), (14487, 17380)]