245136840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 256

約数和(自身を含む): 845752320

約数和(自身を除く): 600615480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 37, 39, 40, 52, 60, 62, 65, 74, 78, 93, 104, 111, 120, 124, 130, 137, 148, 155, 156, 185, 186, 195, 222, 248, 260, 274, 296, 310, 312, 370, 372, 390, 403, 411, 444, 465, 481, 520, 548, 555, 620, 685, 740, 744, 780, 806, 822, 888, 930, 962, 1096, 1110, 1147, 1209, 1240, 1370, 1443, 1480, 1560, 1612, 1644, 1781, 1860, 1924, 2015, 2055, 2220, 2294, 2405, 2418, 2740, 2886, 3224, 3288, 3441, 3562, 3720, 3848, 4030, 4110, 4247, 4440, 4588, 4810, 4836, 5069, 5343, 5480, 5735, 5772, 6045, 6882, 7124, 7215, 8060, 8220, 8494, 8905, 9176, 9620, 9672, 10138, 10686, 11470, 11544, 12090, 12741, 13764, 14248, 14430, 14911, 15207, 16120, 16440, 16988, 17205, 17810, 19240, 20276, 21235, 21372, 22940, 24180, 25345, 25482, 26715, 27528, 28860, 29822, 30414, 33976, 34410, 35620, 40552, 42470, 42744, 44733, 45880, 48360, 50690, 50964, 53430, 55211, 57720, 59644, 60828, 63705, 65897, 68820, 71240, 74555, 76035, 84940, 89466, 101380, 101928, 106860, 110422, 119288, 121656, 127410, 131794, 137640, 149110, 152070, 157139, 165633, 169880, 178932, 197691, 202760, 213720, 220844, 223665, 254820, 263588, 276055, 298220, 304140, 314278, 329485, 331266, 357864, 395382, 441688, 447330, 471417, 509640, 527176, 552110, 596440, 608280, 628556, 658970, 662532, 785695, 790764, 828165, 894660, 942834, 988455, 1104220, 1257112, 1317940, 1325064, 1571390, 1581528, 1656330, 1789320, 1885668, 1976910, 2042807, 2208440, 2357085, 2635880, 3142780, 3312660, 3771336, 3953820, 4085614, 4714170, 6128421, 6285560, 6625320, 7907640, 8171228, 9428340, 10214035, 12256842, 16342456, 18856680, 20428070, 24513684, 30642105, 40856140, 49027368, 61284210, 81712280, 122568420, 245136840]

約数ペア:

[(1, 245136840), (2, 122568420), (3, 81712280), (4, 61284210), (5, 49027368), (6, 40856140), (8, 30642105), (10, 24513684), (12, 20428070), (13, 18856680), (15, 16342456), (20, 12256842), (24, 10214035), (26, 9428340), (30, 8171228), (31, 7907640), (37, 6625320), (39, 6285560), (40, 6128421), (52, 4714170), (60, 4085614), (62, 3953820), (65, 3771336), (74, 3312660), (78, 3142780), (93, 2635880), (104, 2357085), (111, 2208440), (120, 2042807), (124, 1976910), (130, 1885668), (137, 1789320), (148, 1656330), (155, 1581528), (156, 1571390), (185, 1325064), (186, 1317940), (195, 1257112), (222, 1104220), (248, 988455), (260, 942834), (274, 894660), (296, 828165), (310, 790764), (312, 785695), (370, 662532), (372, 658970), (390, 628556), (403, 608280), (411, 596440), (444, 552110), (465, 527176), (481, 509640), (520, 471417), (548, 447330), (555, 441688), (620, 395382), (685, 357864), (740, 331266), (744, 329485), (780, 314278), (806, 304140), (822, 298220), (888, 276055), (930, 263588), (962, 254820), (1096, 223665), (1110, 220844), (1147, 213720), (1209, 202760), (1240, 197691), (1370, 178932), (1443, 169880), (1480, 165633), (1560, 157139), (1612, 152070), (1644, 149110), (1781, 137640), (1860, 131794), (1924, 127410), (2015, 121656), (2055, 119288), (2220, 110422), (2294, 106860), (2405, 101928), (2418, 101380), (2740, 89466), (2886, 84940), (3224, 76035), (3288, 74555), (3441, 71240), (3562, 68820), (3720, 65897), (3848, 63705), (4030, 60828), (4110, 59644), (4247, 57720), (4440, 55211), (4588, 53430), (4810, 50964), (4836, 50690), (5069, 48360), (5343, 45880), (5480, 44733), (5735, 42744), (5772, 42470), (6045, 40552), (6882, 35620), (7124, 34410), (7215, 33976), (8060, 30414), (8220, 29822), (8494, 28860), (8905, 27528), (9176, 26715), (9620, 25482), (9672, 25345), (10138, 24180), (10686, 22940), (11470, 21372), (11544, 21235), (12090, 20276), (12741, 19240), (13764, 17810), (14248, 17205), (14430, 16988), (14911, 16440), (15207, 16120)]