265505240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 256

約数和(自身を含む): 846720000

約数和(自身を除く): 581214760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 40, 44, 52, 55, 56, 65, 70, 76, 77, 88, 91, 95, 104, 110, 130, 133, 140, 143, 152, 154, 182, 190, 209, 220, 247, 260, 266, 280, 286, 308, 349, 364, 380, 385, 418, 440, 455, 494, 520, 532, 572, 616, 665, 698, 715, 728, 760, 770, 836, 910, 988, 1001, 1045, 1064, 1144, 1235, 1330, 1396, 1430, 1463, 1540, 1672, 1729, 1745, 1820, 1976, 2002, 2090, 2443, 2470, 2660, 2717, 2792, 2860, 2926, 3080, 3458, 3490, 3640, 3839, 4004, 4180, 4537, 4886, 4940, 5005, 5320, 5434, 5720, 5852, 6631, 6916, 6980, 7315, 7678, 8008, 8360, 8645, 9074, 9772, 9880, 10010, 10868, 11704, 12215, 13262, 13585, 13832, 13960, 14630, 15356, 17290, 18148, 19019, 19195, 19544, 20020, 21736, 22685, 24430, 26524, 26873, 27170, 29260, 30712, 31759, 33155, 34580, 36296, 38038, 38390, 40040, 45370, 46417, 48860, 49907, 53048, 53746, 54340, 58520, 63518, 66310, 69160, 72941, 76076, 76780, 86203, 90740, 92834, 95095, 97720, 99814, 107492, 108680, 127036, 132620, 134365, 145882, 152152, 153560, 158795, 172406, 181480, 185668, 190190, 199628, 214984, 232085, 249535, 254072, 265240, 268730, 291764, 317590, 344812, 349349, 364705, 371336, 380380, 399256, 431015, 464170, 499070, 510587, 537460, 583528, 603421, 635180, 689624, 698698, 729410, 760760, 862030, 928340, 948233, 998140, 1021174, 1074920, 1206842, 1270360, 1397396, 1458820, 1724060, 1746745, 1856680, 1896466, 1996280, 2042348, 2413684, 2552935, 2794792, 2917640, 3017105, 3448120, 3493490, 3792932, 4084696, 4741165, 4827368, 5105870, 6034210, 6637631, 6986980, 7585864, 9482330, 10211740, 12068420, 13275262, 13973960, 18964660, 20423480, 24136840, 26550524, 33188155, 37929320, 53101048, 66376310, 132752620, 265505240]

約数ペア:

[(1, 265505240), (2, 132752620), (4, 66376310), (5, 53101048), (7, 37929320), (8, 33188155), (10, 26550524), (11, 24136840), (13, 20423480), (14, 18964660), (19, 13973960), (20, 13275262), (22, 12068420), (26, 10211740), (28, 9482330), (35, 7585864), (38, 6986980), (40, 6637631), (44, 6034210), (52, 5105870), (55, 4827368), (56, 4741165), (65, 4084696), (70, 3792932), (76, 3493490), (77, 3448120), (88, 3017105), (91, 2917640), (95, 2794792), (104, 2552935), (110, 2413684), (130, 2042348), (133, 1996280), (140, 1896466), (143, 1856680), (152, 1746745), (154, 1724060), (182, 1458820), (190, 1397396), (209, 1270360), (220, 1206842), (247, 1074920), (260, 1021174), (266, 998140), (280, 948233), (286, 928340), (308, 862030), (349, 760760), (364, 729410), (380, 698698), (385, 689624), (418, 635180), (440, 603421), (455, 583528), (494, 537460), (520, 510587), (532, 499070), (572, 464170), (616, 431015), (665, 399256), (698, 380380), (715, 371336), (728, 364705), (760, 349349), (770, 344812), (836, 317590), (910, 291764), (988, 268730), (1001, 265240), (1045, 254072), (1064, 249535), (1144, 232085), (1235, 214984), (1330, 199628), (1396, 190190), (1430, 185668), (1463, 181480), (1540, 172406), (1672, 158795), (1729, 153560), (1745, 152152), (1820, 145882), (1976, 134365), (2002, 132620), (2090, 127036), (2443, 108680), (2470, 107492), (2660, 99814), (2717, 97720), (2792, 95095), (2860, 92834), (2926, 90740), (3080, 86203), (3458, 76780), (3490, 76076), (3640, 72941), (3839, 69160), (4004, 66310), (4180, 63518), (4537, 58520), (4886, 54340), (4940, 53746), (5005, 53048), (5320, 49907), (5434, 48860), (5720, 46417), (5852, 45370), (6631, 40040), (6916, 38390), (6980, 38038), (7315, 36296), (7678, 34580), (8008, 33155), (8360, 31759), (8645, 30712), (9074, 29260), (9772, 27170), (9880, 26873), (10010, 26524), (10868, 24430), (11704, 22685), (12215, 21736), (13262, 20020), (13585, 19544), (13832, 19195), (13960, 19019), (14630, 18148), (15356, 17290)]