261124920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 288

約数和(自身を含む): 1003551120

約数和(自身を除く): 742426200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 113, 120, 126, 131, 140, 147, 168, 180, 196, 210, 226, 245, 252, 262, 280, 294, 315, 339, 360, 392, 393, 420, 441, 452, 490, 504, 524, 565, 588, 630, 655, 678, 735, 786, 791, 840, 882, 904, 917, 980, 1017, 1048, 1130, 1176, 1179, 1260, 1310, 1356, 1470, 1572, 1582, 1695, 1764, 1834, 1960, 1965, 2034, 2205, 2260, 2358, 2373, 2520, 2620, 2712, 2751, 2940, 3144, 3164, 3390, 3528, 3668, 3930, 3955, 4068, 4410, 4520, 4585, 4716, 4746, 5085, 5240, 5502, 5537, 5880, 5895, 6328, 6419, 6780, 7119, 7336, 7860, 7910, 8136, 8253, 8820, 9170, 9432, 9492, 10170, 11004, 11074, 11790, 11865, 12838, 13560, 13755, 14238, 14803, 15720, 15820, 16506, 16611, 17640, 18340, 18984, 19257, 20340, 22008, 22148, 23580, 23730, 25676, 27510, 27685, 28476, 29606, 31640, 32095, 33012, 33222, 35595, 36680, 38514, 40680, 41265, 44296, 44409, 47160, 47460, 49833, 51352, 55020, 55370, 56952, 57771, 59212, 64190, 66024, 66444, 71190, 74015, 77028, 82530, 83055, 88818, 94920, 96285, 99666, 103621, 110040, 110740, 115542, 118424, 128380, 132888, 133227, 142380, 148030, 154056, 165060, 166110, 177636, 192570, 199332, 207242, 221480, 222045, 231084, 249165, 256760, 266454, 284760, 288855, 296060, 310863, 330120, 332220, 355272, 385140, 398664, 414484, 444090, 462168, 498330, 518105, 532908, 577710, 592120, 621726, 664440, 666135, 725347, 770280, 828968, 888180, 932589, 996660, 1036210, 1065816, 1155420, 1243452, 1332270, 1450694, 1554315, 1776360, 1865178, 1993320, 2072420, 2176041, 2310840, 2486904, 2664540, 2901388, 3108630, 3626735, 3730356, 4144840, 4352082, 4662945, 5329080, 5802776, 6217260, 6528123, 7253470, 7460712, 8704164, 9325890, 10880205, 12434520, 13056246, 14506940, 17408328, 18651780, 21760410, 26112492, 29013880, 32640615, 37303560, 43520820, 52224984, 65281230, 87041640, 130562460, 261124920]

約数ペア:

[(1, 261124920), (2, 130562460), (3, 87041640), (4, 65281230), (5, 52224984), (6, 43520820), (7, 37303560), (8, 32640615), (9, 29013880), (10, 26112492), (12, 21760410), (14, 18651780), (15, 17408328), (18, 14506940), (20, 13056246), (21, 12434520), (24, 10880205), (28, 9325890), (30, 8704164), (35, 7460712), (36, 7253470), (40, 6528123), (42, 6217260), (45, 5802776), (49, 5329080), (56, 4662945), (60, 4352082), (63, 4144840), (70, 3730356), (72, 3626735), (84, 3108630), (90, 2901388), (98, 2664540), (105, 2486904), (113, 2310840), (120, 2176041), (126, 2072420), (131, 1993320), (140, 1865178), (147, 1776360), (168, 1554315), (180, 1450694), (196, 1332270), (210, 1243452), (226, 1155420), (245, 1065816), (252, 1036210), (262, 996660), (280, 932589), (294, 888180), (315, 828968), (339, 770280), (360, 725347), (392, 666135), (393, 664440), (420, 621726), (441, 592120), (452, 577710), (490, 532908), (504, 518105), (524, 498330), (565, 462168), (588, 444090), (630, 414484), (655, 398664), (678, 385140), (735, 355272), (786, 332220), (791, 330120), (840, 310863), (882, 296060), (904, 288855), (917, 284760), (980, 266454), (1017, 256760), (1048, 249165), (1130, 231084), (1176, 222045), (1179, 221480), (1260, 207242), (1310, 199332), (1356, 192570), (1470, 177636), (1572, 166110), (1582, 165060), (1695, 154056), (1764, 148030), (1834, 142380), (1960, 133227), (1965, 132888), (2034, 128380), (2205, 118424), (2260, 115542), (2358, 110740), (2373, 110040), (2520, 103621), (2620, 99666), (2712, 96285), (2751, 94920), (2940, 88818), (3144, 83055), (3164, 82530), (3390, 77028), (3528, 74015), (3668, 71190), (3930, 66444), (3955, 66024), (4068, 64190), (4410, 59212), (4520, 57771), (4585, 56952), (4716, 55370), (4746, 55020), (5085, 51352), (5240, 49833), (5502, 47460), (5537, 47160), (5880, 44409), (5895, 44296), (6328, 41265), (6419, 40680), (6780, 38514), (7119, 36680), (7336, 35595), (7860, 33222), (7910, 33012), (8136, 32095), (8253, 31640), (8820, 29606), (9170, 28476), (9432, 27685), (9492, 27510), (10170, 25676), (11004, 23730), (11074, 23580), (11790, 22148), (11865, 22008), (12838, 20340), (13560, 19257), (13755, 18984), (14238, 18340), (14803, 17640), (15720, 16611), (15820, 16506)]