28565460

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 112210560

約数和(自身を除く): 83645100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 229, 231, 252, 270, 297, 308, 315, 324, 330, 378, 385, 396, 405, 420, 458, 462, 495, 540, 567, 594, 630, 660, 687, 693, 756, 770, 810, 891, 916, 924, 945, 990, 1134, 1145, 1155, 1188, 1260, 1374, 1386, 1485, 1540, 1603, 1620, 1782, 1890, 1980, 2061, 2079, 2268, 2290, 2310, 2519, 2748, 2772, 2835, 2970, 3206, 3435, 3465, 3564, 3780, 4122, 4158, 4455, 4580, 4620, 4809, 5038, 5670, 5940, 6183, 6237, 6412, 6870, 6930, 7557, 8015, 8244, 8316, 8910, 9618, 10076, 10305, 10395, 11340, 12366, 12474, 12595, 13740, 13860, 14427, 15114, 16030, 17633, 17820, 18549, 19236, 20610, 20790, 22671, 24045, 24732, 24948, 25190, 28854, 30228, 30915, 31185, 32060, 35266, 37098, 37785, 41220, 41580, 43281, 45342, 48090, 50380, 52899, 57708, 61830, 62370, 68013, 70532, 72135, 74196, 75570, 86562, 88165, 90684, 92745, 96180, 105798, 113355, 123660, 124740, 129843, 136026, 144270, 151140, 158697, 173124, 176330, 185490, 204039, 211596, 216405, 226710, 259686, 264495, 272052, 288540, 317394, 340065, 352660, 370980, 408078, 432810, 453420, 476091, 519372, 528990, 634788, 649215, 680130, 793485, 816156, 865620, 952182, 1020195, 1057980, 1298430, 1360260, 1428273, 1586970, 1904364, 2040390, 2380455, 2596860, 2856546, 3173940, 4080780, 4760910, 5713092, 7141365, 9521820, 14282730, 28565460]

約数ペア:

[(1, 28565460), (2, 14282730), (3, 9521820), (4, 7141365), (5, 5713092), (6, 4760910), (7, 4080780), (9, 3173940), (10, 2856546), (11, 2596860), (12, 2380455), (14, 2040390), (15, 1904364), (18, 1586970), (20, 1428273), (21, 1360260), (22, 1298430), (27, 1057980), (28, 1020195), (30, 952182), (33, 865620), (35, 816156), (36, 793485), (42, 680130), (44, 649215), (45, 634788), (54, 528990), (55, 519372), (60, 476091), (63, 453420), (66, 432810), (70, 408078), (77, 370980), (81, 352660), (84, 340065), (90, 317394), (99, 288540), (105, 272052), (108, 264495), (110, 259686), (126, 226710), (132, 216405), (135, 211596), (140, 204039), (154, 185490), (162, 176330), (165, 173124), (180, 158697), (189, 151140), (198, 144270), (210, 136026), (220, 129843), (229, 124740), (231, 123660), (252, 113355), (270, 105798), (297, 96180), (308, 92745), (315, 90684), (324, 88165), (330, 86562), (378, 75570), (385, 74196), (396, 72135), (405, 70532), (420, 68013), (458, 62370), (462, 61830), (495, 57708), (540, 52899), (567, 50380), (594, 48090), (630, 45342), (660, 43281), (687, 41580), (693, 41220), (756, 37785), (770, 37098), (810, 35266), (891, 32060), (916, 31185), (924, 30915), (945, 30228), (990, 28854), (1134, 25190), (1145, 24948), (1155, 24732), (1188, 24045), (1260, 22671), (1374, 20790), (1386, 20610), (1485, 19236), (1540, 18549), (1603, 17820), (1620, 17633), (1782, 16030), (1890, 15114), (1980, 14427), (2061, 13860), (2079, 13740), (2268, 12595), (2290, 12474), (2310, 12366), (2519, 11340), (2748, 10395), (2772, 10305), (2835, 10076), (2970, 9618), (3206, 8910), (3435, 8316), (3465, 8244), (3564, 8015), (3780, 7557), (4122, 6930), (4158, 6870), (4455, 6412), (4580, 6237), (4620, 6183), (4809, 5940), (5038, 5670)]